Common Weakness Enumeration

CWE-307

Allowed

Improper Restriction of Excessive Authentication Attempts

Abstraction: Base · Status: Draft

API response cwe.mitre.org

The product does not implement sufficient measures to prevent multiple failed authentication attempts within a short time frame.

487 vulnerabilities reference this CWE, most recent first.

CVE-2025-52916 (GCVE-0-2025-52916)

Vulnerability from cvelistv5 – Published: 2025-06-21 00:00 – Updated: 2025-07-28 13:13
VLAI
Summary
Yealink RPS before 2025-06-04 lacks SN verification attempt limits, enabling brute-force enumeration (last five digits).
Severity
2.2 (Low)
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-06-23 20:20 UTC
CWE
  • CWE-307 - Improper Restriction of Excessive Authentication Attempts
Assigner
mitre CNA
References
Impacted products
Vendor Product Version
Yealink RPS Affected: 0 , < 2025-06-04 (custom)
Create a notification for this product.
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CVE-2025-49195 (GCVE-0-2025-49195)

Vulnerability from cvelistv5 – Published: 2025-06-12 14:19 – Updated: 2025-06-13 06:16
VLAI
Title
No protection against brute-force attacks
Summary
The FTP server’s login mechanism does not restrict authentication attempts, allowing an attacker to brute-force user passwords and potentially compromising the FTP server.
Severity
5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-06-12 14:33 UTC
CWE
  • CWE-307 - Improper Restriction of Excessive Authentication Attempts
Assigner
SICK AG CNA
References
URL Tags
https://sick.com/psirt x_SICK PSIRT Website
https://cdn.sick.com/media/docs/1/11/411/Special_… x_SICK Operating Guidelines
https://www.cisa.gov/resources-tools/resources/ic… x_ICS-CERT recommended practices on Industrial Security
https://www.first.org/cvss/calculator/3.1 x_CVSS v3.1 Calculator
https://www.sick.com/.well-known/csaf/white/2025/… vendor-advisory
https://www.sick.com/.well-known/csaf/white/2025/… vendor-advisoryx_csaf
Impacted products
Vendor Product Version
SICK AG SICK Media Server Affected: all versions (custom)
Create a notification for this product.
Show details on NVD website
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CVE-2025-49186 (GCVE-0-2025-49186)

Vulnerability from cvelistv5 – Published: 2025-06-12 13:27 – Updated: 2026-05-13 11:59
VLAI
Title
No brute-force protection
Summary
The product does not implement sufficient measures to prevent multiple failed authentication attempts within a short time frame, making it susceptible to brute-force attacks.
Severity
5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-06-12 13:44 UTC
CWE
  • CWE-307 - Improper Restriction of Excessive Authentication Attempts
Assigner
SICK AG CNA
References
URL Tags
https://sick.com/psirt x_SICK PSIRT Website
https://cdn.sick.com/media/docs/1/11/411/Special_… x_SICK Operating Guidelines
https://www.cisa.gov/resources-tools/resources/ic… x_ICS-CERT recommended practices on Industrial Security
https://www.first.org/cvss/calculator/3.1 x_CVSS v3.1 Calculator
https://www.sick.com/.well-known/csaf/white/2025/… vendor-advisory
https://www.sick.com/.well-known/csaf/white/2025/… vendor-advisoryx_csaf
Impacted products
Show details on NVD website
To clipboard 

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CVE-2025-48187 (GCVE-0-2025-48187)

Vulnerability from cvelistv5 – Published: 2025-05-17 00:00 – Updated: 2025-05-19 15:56
VLAI
Summary
RAGFlow through 0.18.1 allows account takeover because it is possible to conduct successful brute-force attacks against email verification codes to perform arbitrary account registration, login, and password reset. Codes are six digits and there is no rate limiting.
Severity
9.1 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
SSVC
Exploitation: poc Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-05-19 15:56 UTC
CWE
  • CWE-307 - Improper Restriction of Excessive Authentication Attempts
Assigner
mitre CNA
References
Impacted products
Vendor Product Version
infiniflow RAGFlow Affected: 0 , ≤ 0.18.1 (semver)
    cpe:2.3:a:infiniflow:ragflow:*:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2025-48014 (GCVE-0-2025-48014)

Vulnerability from cvelistv5 – Published: 2025-05-20 15:10 – Updated: 2025-05-20 15:55
VLAI
Title
Improper Restriction of Excessive Authentication Attempts
Summary
Password guessing limits could be bypassed when using LDAP authentication.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-05-20 15:55 UTC
CWE
  • CWE-307 - Improper Restriction of Excessive Authentication Attempts
Assigner
SEL CNA
References
Impacted products
Show details on NVD website
To clipboard 

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CVE-2025-47951 (GCVE-0-2025-47951)

Vulnerability from cvelistv5 – Published: 2025-06-16 20:57 – Updated: 2025-06-17 18:52
VLAI
Title
Weblate lacks rate limiting when verifying second factor
Summary
Weblate is a web based localization tool. Prior to version 5.12, the verification of the second factor was not subject to rate limiting. The absence of rate limiting on the second factor endpoint allows an attacker with valid credentials to automate OTP guessing. This issue has been patched in version 5.12.
Severity
4.9 (Medium)
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-06-17 18:49 UTC
CWE
  • CWE-307 - Improper Restriction of Excessive Authentication Attempts
Assigner
GitHub_M CNA
References
Impacted products
Vendor Product Version
WeblateOrg weblate Affected: < 5.12
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2025-46739 (GCVE-0-2025-46739)

Vulnerability from cvelistv5 – Published: 2025-05-12 16:08 – Updated: 2025-05-12 17:57
VLAI
Title
Improper Restriction of Excessive Authentication Attempts
Summary
An unauthenticated user could discover account credentials via a brute-force attack without rate limiting
Severity
8.1 (High)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-05-12 17:56 UTC
CWE
  • CWE-307 - Improper Restriction of Excessive Authentication Attempts
Assigner
SEL CNA
References
Impacted products
Show details on NVD website
To clipboard 

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CVE-2025-46606 (GCVE-0-2025-46606)

Vulnerability from cvelistv5 – Published: 2026-04-17 11:36 – Updated: 2026-04-18 03:55
VLAI
Summary
Dell PowerProtect Data Domain with Data Domain Operating System (DD OS) of Feature Release versions 8.4 through 8.5 contain an improper restriction of excessive authentication attempts vulnerability. A high privileged attacker with remote access could potentially exploit this vulnerability, leading to unauthorized access.
Severity
6.2 (Medium)
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:L
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-17 00:00 UTC
CWE
  • CWE-307 - Improper Restriction of Excessive Authentication Attempts
Assigner
dell CNA
References
Impacted products
Vendor Product Version
Dell PowerProtect Data Domain Affected: 0 , < 8.6.0.0 or later (semver)
Create a notification for this product.
Date Public
2026-04-15 18:30
Show details on NVD website
To clipboard 

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CVE-2025-46603 (GCVE-0-2025-46603)

Vulnerability from cvelistv5 – Published: 2025-12-05 19:01 – Updated: 2025-12-05 19:15
VLAI
Summary
Dell CloudBoost Virtual Appliance, versions 19.13.0.0 and prior, contains an Improper Restriction of Excessive Authentication Attempts vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to unauthorized access.
Severity
7 (High)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-12-05 19:14 UTC
CWE
  • CWE-307 - Improper Restriction of Excessive Authentication Attempts
Assigner
dell CNA
References
Impacted products
Vendor Product Version
Dell CloudBoost Virtual Appliance Affected: N/A , < 19.13.0.2 (semver)
Create a notification for this product.
Date Public
2025-12-01 18:00
Show details on NVD website
To clipboard 

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CVE-2025-46414 (GCVE-0-2025-46414)

Vulnerability from cvelistv5 – Published: 2025-08-08 16:17 – Updated: 2025-08-08 19:13
VLAI
Title
EG4 Electronics EG4 Inverters Improper Restriction of Excessive Authentication Attempts
Summary
The affected product does not limit the number of attempts for inputting the correct PIN for a registered product, which may allow an attacker to gain unauthorized access using brute-force methods if they possess a valid device serial number. The API provides clear feedback when the correct PIN is entered. This vulnerability was patched in a server-side update on April 6, 2025.
Severity
8.1 (High)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
9.2 (Critical)
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-08-08 19:13 UTC
CWE
Assigner
icscert CNA
References
Impacted products
Credits
Anthony Rose of BC Security reported these vulnerabilities to CISA.
Show details on NVD website
To clipboard 

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Mitigation
Architecture and Design
  • Common protection mechanisms include:
  • Disconnecting the user after a small number of failed attempts
  • Implementing a timeout
  • Locking out a targeted account
  • Requiring a computational task on the user's part.
Mitigation MIT-4
Architecture and Design

Strategy: Libraries or Frameworks

  • Use a vetted library or framework that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid [REF-1482].
  • Consider using libraries with authentication capabilities such as OpenSSL or the ESAPI Authenticator. [REF-45]
CAPEC-16: Dictionary-based Password Attack

An attacker tries each of the words in a dictionary as passwords to gain access to the system via some user's account. If the password chosen by the user was a word within the dictionary, this attack will be successful (in the absence of other mitigations). This is a specific instance of the password brute forcing attack pattern.

Dictionary Attacks differ from similar attacks such as Password Spraying (CAPEC-565) and Credential Stuffing (CAPEC-600), since they leverage unknown username/password combinations and don't care about inducing account lockouts.

CAPEC-49: Password Brute Forcing

An adversary tries every possible value for a password until they succeed. A brute force attack, if feasible computationally, will always be successful because it will essentially go through all possible passwords given the alphabet used (lower case letters, upper case letters, numbers, symbols, etc.) and the maximum length of the password.

CAPEC-560: Use of Known Domain Credentials

An adversary guesses or obtains (i.e. steals or purchases) legitimate credentials (e.g. userID/password) to achieve authentication and to perform authorized actions under the guise of an authenticated user or service.

CAPEC-565: Password Spraying

In a Password Spraying attack, an adversary tries a small list (e.g. 3-5) of common or expected passwords, often matching the target's complexity policy, against a known list of user accounts to gain valid credentials. The adversary tries a particular password for each user account, before moving onto the next password in the list. This approach assists the adversary in remaining undetected by avoiding rapid or frequent account lockouts. The adversary may then reattempt the process with additional passwords, once enough time has passed to prevent inducing a lockout.

CAPEC-600: Credential Stuffing

An adversary tries known username/password combinations against different systems, applications, or services to gain additional authenticated access. Credential Stuffing attacks rely upon the fact that many users leverage the same username/password combination for multiple systems, applications, and services.

CAPEC-652: Use of Known Kerberos Credentials

An adversary obtains (i.e. steals or purchases) legitimate Kerberos credentials (e.g. Kerberos service account userID/password or Kerberos Tickets) with the goal of achieving authenticated access to additional systems, applications, or services within the domain.

CAPEC-653: Use of Known Operating System Credentials

An adversary guesses or obtains (i.e. steals or purchases) legitimate operating system credentials (e.g. userID/password) to achieve authentication and to perform authorized actions on the system, under the guise of an authenticated user or service. This applies to any Operating System.

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