Common Weakness Enumeration
CWE-703
DiscouragedImproper Check or Handling of Exceptional Conditions
Abstraction: Pillar · Status: Incomplete
The product does not properly anticipate or handle exceptional conditions that rarely occur during normal operation of the product.
122 vulnerabilities reference this CWE, most recent first.
CVE-2024-4611 (GCVE-0-2024-4611)
Vulnerability from cvelistv5 – Published: 2024-05-29 04:30 – Updated: 2026-04-08 17:25
VLAI
EPSS
VEX
Title
AppPresser <= 4.3.2 - Improper Missing Encryption Exception Handling to Authentication Bypass
Summary
The AppPresser plugin for WordPress is vulnerable to improper missing encryption exception handling on the 'decrypt_value' and on the 'doCookieAuth' functions in all versions up to, and including, 4.3.2. This makes it possible for unauthenticated attackers to log in as any existing user on the site, such as an administrator, if they previously used the login via the plugin API. This can only be exploited if the 'openssl' php extension is not loaded on the server.
Severity
8.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-05-30 15:40 UTC
CWE
- CWE-703 - Improper Check or Handling of Exceptional Conditions
Assigner
Wordfence
CNA
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| scottopolis | AppPresser – Mobile App Framework |
Affected:
0 , ≤ 4.3.2
(semver)
|
|
| apppresser | apppresser |
Affected:
0 , ≤ 4.3.2
(custom)
cpe:2.3:a:apppresser:apppresser:-:*:*:*:*:wordpress:*:* |
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CVE-2024-0092 (GCVE-0-2024-0092)
Vulnerability from cvelistv5 – Published: 2024-06-13 21:23 – Updated: 2024-08-01 17:41
VLAI
EPSS
VEX
Title
CVE
Summary
NVIDIA GPU Driver for Windows and Linux contains a vulnerability where an improper check or improper handling of exception conditions might lead to denial of service.
Severity
5.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-06-17 16:45 UTC
CWE
Assigner
nvidia
CNA
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| nvidia | GPU display driver, vGPU software, and Cloud Gaming |
Affected:
All versions up to and including 17.1, 16.5, 13.10, and the April 2024 release
|
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CVE-2023-51443 (GCVE-0-2023-51443)
Vulnerability from cvelistv5 – Published: 2023-12-27 16:30 – Updated: 2025-11-04 18:21
VLAI
EPSS
VEX
Title
FreeSWITCH susceptible to Denial of Service via DTLS Hello packets during call initiation
Summary
FreeSWITCH is a Software Defined Telecom Stack enabling the digital transformation from proprietary telecom switches to a software implementation that runs on any commodity hardware. Prior to version 1.10.11, when handling DTLS-SRTP for media setup, FreeSWITCH is susceptible to Denial of Service due to a race condition in the hello handshake phase of the DTLS protocol. This attack can be done continuously, thus denying new DTLS-SRTP encrypted calls during the attack. If an attacker manages to send a ClientHello DTLS message with an invalid CipherSuite (such as `TLS_NULL_WITH_NULL_NULL`) to the port on the FreeSWITCH server that is expecting packets from the caller, a DTLS error is generated. This results in the media session being torn down, which is followed by teardown at signaling (SIP) level too. Abuse of this vulnerability may lead to a massive Denial of Service on vulnerable FreeSWITCH servers for calls that rely on DTLS-SRTP. To address this vulnerability, upgrade FreeSWITCH to 1.10.11 which includes the security fix. The solution implemented is to drop all packets from addresses that have not been validated by an ICE check.
Severity
7.5 (High)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-08-27 15:19 UTC
CWE
- CWE-703 - Improper Check or Handling of Exceptional Conditions
Assigner
GitHub_M
CNA
References
5 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| signalwire | freeswitch |
Affected:
< 1.10.11
|
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CVE-2023-49786 (GCVE-0-2023-49786)
Vulnerability from cvelistv5 – Published: 2023-12-14 19:47 – Updated: 2025-02-13 17:18
VLAI
EPSS
VEX
Title
Asterisk susceptible to Denial of Service via DTLS Hello packets during call initiation
Summary
Asterisk is an open source private branch exchange and telephony toolkit. In Asterisk prior to versions 18.20.1, 20.5.1, and 21.0.1; as well as certified-asterisk prior to 18.9-cert6; Asterisk is susceptible to a DoS due to a race condition in the hello handshake phase of the DTLS protocol when handling DTLS-SRTP for media setup. This attack can be done continuously, thus denying new DTLS-SRTP encrypted calls during the attack. Abuse of this vulnerability may lead to a massive Denial of Service on vulnerable Asterisk servers for calls that rely on DTLS-SRTP. Commit d7d7764cb07c8a1872804321302ef93bf62cba05 contains a fix, which is part of versions 18.20.1, 20.5.1, 21.0.1, amd 18.9-cert6.
Severity
7.5 (High)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-10-08 14:19 UTC
CWE
- CWE-703 - Improper Check or Handling of Exceptional Conditions
Assigner
GitHub_M
CNA
References
7 references
Impacted products
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CVE-2023-44203 (GCVE-0-2023-44203)
Vulnerability from cvelistv5 – Published: 2023-10-12 23:06 – Updated: 2024-09-17 16:09
VLAI
EPSS
VEX
Title
Junos OS: QFX5000 Series, EX2300, EX3400, EX4100, EX4400 and EX4600: Packet flooding will occur when IGMP traffic is sent to an isolated VLAN
Summary
An Improper Check or Handling of Exceptional Conditions vulnerability in the Packet Forwarding Engine (pfe) of Juniper Networks Junos OS on QFX5000 Series, EX2300, EX3400, EX4100, EX4400 and EX4600 allows a adjacent attacker to send specific traffic, which leads to packet flooding, resulting in a Denial of Service (DoS).
When a specific IGMP packet is received in an isolated VLAN, it is duplicated to all other ports under the primary VLAN, which causes a flood.
This issue affects QFX5000 series, EX2300, EX3400, EX4100, EX4400 and EX4600 platforms only.
This issue affects Juniper Junos OS on on QFX5000 Series, EX2300, EX3400, EX4100, EX4400 and EX4600:
* All versions prior to 20.4R3-S5;
* 21.1 versions prior to 21.1R3-S4;
* 21.2 versions prior to 21.2R3-S3;
* 21.3 versions prior to 21.3R3-S5;
* 21.4 versions prior to 21.4R3-S2;
* 22.1 versions prior to 22.1R3;
* 22.2 versions prior to 22.2R3;
* 22.3 versions prior to 22.3R2.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-09-17 15:45 UTC
CWE
- CWE-703 - Improper Check or Handling of Exceptional Conditions
- Denial of Service (DoS)
Assigner
juniper
CNA
References
1 reference
| URL | Tags |
|---|---|
| https://supportportal.juniper.net/JSA73169 | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Juniper Networks | Junos OS |
Affected:
0 , < 20.4R3-S5
(semver)
Affected: 21.1 , < 21.1R3-S4 (semver) Affected: 21.2 , < 21.2R3-S3 (semver) Affected: 21.3 , < 21.3R3-S5 (semver) Affected: 21.4 , < 21.4R3-S2 (semver) Affected: 22.1 , < 22.1R3 (semver) Affected: 22.2 , < 22.2R3 (semver) Affected: 22.3 , < 22.3R2 (semver) |
Date Public
2023-10-11 16:00
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CVE-2023-41378 (GCVE-0-2023-41378)
Vulnerability from cvelistv5 – Published: 2023-11-06 15:00 – Updated: 2024-09-05 13:40
VLAI
EPSS
VEX
Title
Calico Typha hangs during unclean TLS handshake
Summary
In certain conditions for Calico Typha (v3.26.2, v3.25.1 and below), and Calico Enterprise Typha (v3.17.1, v3.16.3, v3.15.3 and below), a client TLS handshake can block the Calico Typha server indefinitely, resulting in denial of service. The TLS Handshake() call is performed inside the main server handle for loop without any timeout allowing an unclean TLS handshake to block the main loop indefinitely while other connections will be idle waiting for that handshake to finish.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-09-05 13:31 UTC
CWE
Assigner
Tigera
CNA
References
3 references
| URL | Tags |
|---|---|
| https://www.tigera.io/security-bulletins-tta-2023-001/ | vendor-advisoryrelease-notes |
| https://github.com/projectcalico/calico/pull/7908 | issue-tracking |
| https://github.com/projectcalico/calico/pull/7993 | patch |
Impacted products
4 products
| Vendor | Product | Version | |
|---|---|---|---|
| Calico | Typha |
Affected:
v3.26.0 , ≤ v3.26.2
(semver)
Affected: 0 , ≤ v3.25.1 (semver) |
|
| Tigera | Typha |
Affected:
v3.17.0 , ≤ v3.17.1
(semver)
Affected: v3.16.0 , ≤ v3.16.3 (semver) Affected: 0 , ≤ v3.15.3 (semver) |
|
| calico | typha |
Affected:
v3.26.0 , ≤ v3.26.2
(semver)
Affected: 0 , ≤ v3.25.1 (semver) cpe:2.3:a:calico:typha:*:*:*:*:*:*:*:* |
|
| tigera | calico |
Affected:
v3.17.0 , ≤ v3.17.1
(semver)
Affected: v3.16.0 , ≤ v3.16.3 (semver) Affected: 0 , ≤ v3.15.3 (semver) cpe:2.3:a:tigera:calico:*:*:*:*:*:*:*:* |
Date Public
2023-11-06 15:00
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CVE-2023-36849 (GCVE-0-2023-36849)
Vulnerability from cvelistv5 – Published: 2023-07-14 17:58 – Updated: 2024-10-22 14:18
VLAI
EPSS
VEX
Title
Junos OS and Junos OS Evolved: The l2cpd will crash when a malformed LLDP packet is received
Summary
An Improper Check or Handling of Exceptional Conditions vulnerability in the Layer-2 control protocols daemon (l2cpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated adjacent attacker to cause a Denial of Service (DoS).
When a malformed LLDP packet is received, l2cpd will crash and restart. The impact of the l2cpd crash is reinitialization of STP protocols (RSTP, MSTP or VSTP), and MVRP and ERP. Also, if any services depend on LLDP state (like PoE or VoIP device recognition), then these will also be affected. Continued receipt of such packets will lead to a sustained Denial of Service.
This issue affects:
Juniper Networks Junos OS
21.4 versions prior to 21.4R3-S3;
22.1 versions prior to 22.1R3-S3;
22.2 versions prior to 22.2R2-S1, 22.2R3;
22.3 versions prior to 22.3R2.
Juniper Networks Junos OS Evolved
21.4-EVO versions prior to 21.4R3-S2-EVO;
22.1-EVO versions prior to 22.1R3-S3-EVO;
22.2-EVO versions prior to 22.2R2-S1-EVO, 22.2R3-EVO;
22.3-EVO versions prior to 22.3R2-EVO.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-10-22 14:05 UTC
CWE
- CWE-703 - Improper Check or Handling of Exceptional Conditions
- Denial of Service (DoS)
Assigner
juniper
CNA
References
1 reference
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Juniper Networks | Junos OS |
Affected:
21.4 , < 21.4R3-S3
(custom)
Affected: 22.1 , < 22.1R3-S3 (custom) Affected: 22.2 , < 22.2R2-S1, 22.2R3 (custom) Affected: 22.3 , < 22.3R2 (custom) |
|
| Juniper Networks | Junos OS Evolved |
Affected:
21.4 , < 21.4R3-S2-EVO
(custom)
Affected: 22.1 , < 22.1R3-S3-EVO (custom) Affected: 22.2 , < 22.2R2-S1-EVO, 22.2R3-EVO (custom) Affected: 22.3 , < 22.3R2-EVO (custom) |
Date Public
2023-07-12 16:00
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CVE-2023-36842 (GCVE-0-2023-36842)
Vulnerability from cvelistv5 – Published: 2024-01-12 00:48 – Updated: 2025-06-17 21:09
VLAI
EPSS
VEX
Title
Junos OS: jdhcpd will hang on receiving a specific DHCP packet
Summary
An Improper Check for Unusual or Exceptional Conditions vulnerability in Juniper DHCP Daemon (jdhcpd) of Juniper Networks Junos OS allows an adjacent, unauthenticated attacker to cause the jdhcpd to consume all the CPU cycles resulting in a Denial of Service (DoS).
On Junos OS devices with forward-snooped-client configured, if an attacker sends a specific DHCP packet to a non-configured interface, this will cause an infinite loop. The DHCP process will have to be restarted to recover the service.
This issue affects:
Juniper Networks Junos OS
* All versions earlier than 20.4R3-S9;
* 21.2 versions earlier than 21.2R3-S7;
* 21.3 versions earlier than 21.3R3-S5;
* 21.4 versions earlier than 21.4R3-S5;
* 22.1 versions earlier than 22.1R3-S4;
* 22.2 versions earlier than 22.2R3-S3;
* 22.3 versions earlier than 22.3R3-S2;
* 22.4 versions earlier than 22.4R2-S2, 22.4R3;
* 23.2 versions earlier than 23.2R2.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-01-12 18:05 UTC
CWE
- CWE-703 - Improper Check or Handling of Exceptional Conditions
- Denial of Service (DoS)
Assigner
juniper
CNA
References
2 references
| URL | Tags |
|---|---|
| https://supportportal.juniper.net/JSA75730 | vendor-advisory |
| https://www.first.org/cvss/calculator/4.0#CVSS:4.… | technical-description |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Juniper Networks | Junos OS |
Affected:
0 , < 20.4R3-S9
(semver)
Affected: 21.2 , < 21.2R3-S7 (semver) Affected: 21.3 , < 21.3R3-S5 (semver) Affected: 21.4 , < 21.4R3-S5 (semver) Affected: 22.1 , < 22.1R3-S4 (semver) Affected: 22.2 , < 22.2R3-S3 (semver) Affected: 22.3 , < 22.3R3-S2 (semver) Affected: 22.4 , < 22.4R2-S2, 22.4R3 (semver) Affected: 23.2 , < 23.2R2 (semver) |
Date Public
2024-01-10 17:00
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CVE-2023-36831 (GCVE-0-2023-36831)
Vulnerability from cvelistv5 – Published: 2023-07-14 14:56 – Updated: 2024-11-07 14:41
VLAI
EPSS
VEX
Title
Junos OS: SRX Series: jbuf memory leak when SSL Proxy and UTM Web-Filtering is applied
Summary
An Improper Check or Handling of Exceptional Conditions vulnerability in the UTM (Unified Threat Management) Web-Filtering feature of Juniper Networks Junos OS on SRX Series causes a jbuf memory leak to occur when accessing certain websites, eventually leading to a Denial of Service (DoS) condition. Service restoration is only possible by rebooting the system.
The jbuf memory leak only occurs in SSL Proxy and UTM Web-Filtering configurations. Other products, platforms, and configurations are not affected by this vulnerability.
This issue affects Juniper Networks Junos OS on SRX Series:
22.2 versions prior to 22.2R3;
22.3 versions prior to 22.3R2-S1, 22.3R3;
22.4 versions prior to 22.4R1-S2, 22.4R2.
This issue does not affect Juniper Networks Junos OS versions prior to 22.2R2.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-11-07 14:39 UTC
CWE
- CWE-703 - Improper Check or Handling of Exceptional Conditions
- Denial of Service (DoS)
Assigner
juniper
CNA
References
1 reference
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Juniper Networks | Junos OS |
Affected:
22.2 , < 22.2R3
(custom)
Affected: 22.3 , < 22.3R2-S1, 22.3R3 (custom) Affected: 22.4 , < 22.4R1-S2, 22.4R2 (custom) Unaffected: unspecified , < 22.2R2 (custom) |
|
| juniper_networks | junos_os |
Affected:
22.2 , < 22.2R3
(custom)
Affected: 22.3 , < 22.3R2-S1 (custom) Affected: 22.3 , < 22.3R3 (custom) Affected: 22.4 , < 22.4R1-S2 (custom) Affected: 22.4 , < 22.4R2 (custom) Affected: 0 , < 22.2R2 (custom) cpe:2.3:a:juniper_networks:junos_os:*:*:*:*:*:*:*:* |
Date Public
2023-07-12 16:00
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CVE-2023-34348 (GCVE-0-2023-34348)
Vulnerability from cvelistv5 – Published: 2024-01-18 17:16 – Updated: 2024-10-21 11:44
VLAI
EPSS
VEX
Title
Improper Check or Handling of Exceptional Conditions in Aveva PI Server
Summary
AVEVA PI Server versions 2023 and 2018 SP3 P05 and prior contain a vulnerability that could allow an unauthenticated user to remotely crash the PI Message Subsystem of a PI Server, resulting in a denial-of-service condition.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-01-23 05:01 UTC
CWE
Assigner
icscert
CNA
References
1 reference
| URL | Tags |
|---|---|
| https://www.cisa.gov/news-events/ics-advisories/i… | government-resource |
Impacted products
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"format": "CVSS",
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"lang": "en",
"value": "GENERAL"
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}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-703",
"description": "CWE-703: Improper Check or Handling of Exceptional Conditions",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2024-01-18T17:16:50.038Z",
"orgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6",
"shortName": "icscert"
},
"references": [
{
"tags": [
"government-resource"
],
"url": "https://www.cisa.gov/news-events/ics-advisories/icsa-24-018-01"
}
],
"solutions": [
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"lang": "en",
"supportingMedia": [
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"value": "\n\n\u003cp\u003eAll affected versions can be fixed by upgrading to AVEVA PI Server version 2023 Patch 1 or later. From \u003ca target=\"_blank\" rel=\"nofollow\" href=\"https://my.osisoft.com/\"\u003eOSI Soft Customer Portal\u003c/a\u003e, search for \u201cPI Server\u201d and select version \u201c2023 Patch 1\u201d.\u003c/p\u003e\u003cp\u003eFor an alternative fix, AVEVA PI Server 2018 SP3 Patch 5 and prior can be fixed by deploying AVEVA PI Server version 2018 SP3 Patch 6 or later. From \u003ca target=\"_blank\" rel=\"nofollow\" href=\"https://my.osisoft.com/\"\u003eOSI Soft Customer Portal\u003c/a\u003e, search for \u201cPI Server\u201d and select version \u201c2018 SP3 Patch 6\u201d.\u003c/p\u003e\u003cp\u003eAVEVA recommends that organizations evaluate the impact of these vulnerabilities based on their operational environment, architecture, and product implementation. Customers using affected products should apply security updates as soon as possible.\u003c/p\u003e\u003cp\u003eAVEVA recommends the following defensive measures:\u003c/p\u003e\u003cul\u003e\u003cli\u003eSet the PI Message Subsystem to auto restart.\u003c/li\u003e\u003cli\u003eMonitor the memory usage of the PI Message Subsystem.\u003c/li\u003e\u003cli\u003eLimit network access to port 5450 to trusted workstations and software\u003c/li\u003e\u003cli\u003eConfirm that only authorized users have access to write to the PI Server Message Log. This is done through configuration of the PIMSGSS entry within the Database Security plugin accessible through PI System Management Tools.\u003c/li\u003e\u003c/ul\u003e\u003cp\u003eFor more information on this vulnerability, including security updates, users should see security bulletin \u003ca target=\"_blank\" rel=\"nofollow\" href=\"https://www.aveva.com/content/dam/aveva/documents/support/cyber-security-updates/SecurityBulletin_AVEVA-2024-001.pdf\"\u003eAVEVA-2024-001\u003c/a\u003e.\u003c/p\u003e\n\n\u003cbr\u003e"
}
],
"value": "\nAll affected versions can be fixed by upgrading to AVEVA PI Server version 2023 Patch 1 or later. From OSI Soft Customer Portal https://my.osisoft.com/ , search for \u201cPI Server\u201d and select version \u201c2023 Patch 1\u201d.\n\nFor an alternative fix, AVEVA PI Server 2018 SP3 Patch 5 and prior can be fixed by deploying AVEVA PI Server version 2018 SP3 Patch 6 or later. From OSI Soft Customer Portal https://my.osisoft.com/ , search for \u201cPI Server\u201d and select version \u201c2018 SP3 Patch 6\u201d.\n\nAVEVA recommends that organizations evaluate the impact of these vulnerabilities based on their operational environment, architecture, and product implementation. Customers using affected products should apply security updates as soon as possible.\n\nAVEVA recommends the following defensive measures:\n\n * Set the PI Message Subsystem to auto restart.\n * Monitor the memory usage of the PI Message Subsystem.\n * Limit network access to port 5450 to trusted workstations and software\n * Confirm that only authorized users have access to write to the PI Server Message Log. This is done through configuration of the PIMSGSS entry within the Database Security plugin accessible through PI System Management Tools.\n\n\nFor more information on this vulnerability, including security updates, users should see security bulletin AVEVA-2024-001 https://www.aveva.com/content/dam/aveva/documents/support/cyber-security-updates/SecurityBulletin_AVEVA-2024-001.pdf .\n\n\n\n\n"
}
],
"source": {
"discovery": "UNKNOWN"
},
"title": "Improper Check or Handling of Exceptional Conditions in Aveva PI Server ",
"x_generator": {
"engine": "Vulnogram 0.1.0-dev"
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}
},
"cveMetadata": {
"assignerOrgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6",
"assignerShortName": "icscert",
"cveId": "CVE-2023-34348",
"datePublished": "2024-01-18T17:16:50.038Z",
"dateReserved": "2023-07-12T18:40:13.110Z",
"dateUpdated": "2024-10-21T11:44:39.250Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
No mitigation information available for this CWE.
No CAPEC attack patterns related to this CWE.