CVE-2026-20245 (GCVE-0-2026-20245)
Vulnerability from cvelistv5
Published
2026-06-04 22:33
Modified
2026-06-10 21:09
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-116 - Improper Encoding or Escaping of Output
Summary
A vulnerability in the CLI of Cisco Catalyst SD-WAN Controller, formerly SD-WAN vSmart, Cisco Catalyst SD-WAN Manager, formerly SD-WAN vManage, and Cisco Catalyst SD-WAN Validator, formerly SD-WAN vBond, could allow an authenticated, local attacker to execute arbitrary commands as root by supplying a crafted file to the affected system.
This vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by uploading a crafted file to the affected system. A successful exploit could allow the attacker to perform command injection attacks on an affected system and elevate their privileges as the root user.
To exploit this vulnerability, the attacker must have netadmin privileges on the affected system. This would require valid credentials or exploitation of or . Cisco is not aware of successful exploitation by other methods. Cisco has observed limited cases where the exploitation of this bug resulted in a configuration change pushed to edge devices.
Cisco recommends that customers upgrade to the fixed software that is documented in the that was published on May 14, 2026, and verify the configuration of the edge devices.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Cisco | Cisco Catalyst SD-WAN Manager |
Version: 20.1.12 Version: 19.2.1 Version: 18.4.4 Version: 18.4.5 Version: 20.1.1.1 Version: 20.1.1 Version: 19.3.0 Version: 19.2.2 Version: 19.2.099 Version: 18.3.6 Version: 18.3.7 Version: 19.2.0 Version: 18.3.8 Version: 19.0.0 Version: 19.1.0 Version: 18.4.302 Version: 18.4.303 Version: 19.2.097 Version: 19.2.098 Version: 17.2.10 Version: 18.3.6.1 Version: 19.0.1a Version: 18.2.0 Version: 18.4.3 Version: 18.4.1 Version: 17.2.8 Version: 18.3.3.1 Version: 18.4.0 Version: 18.3.1 Version: 17.2.6 Version: 17.2.9 Version: 18.3.4 Version: 17.2.5 Version: 18.3.1.1 Version: 18.3.5 Version: 18.4.0.1 Version: 18.3.3 Version: 17.2.7 Version: 17.2.4 Version: 18.3.0 Version: 19.2.3 Version: 18.4.501_ES Version: 20.3.1 Version: 20.1.2 Version: 19.2.929 Version: 19.2.31 Version: 20.3.2 Version: 19.2.32 Version: 20.3.2_925 Version: 20.3.2.1 Version: 20.3.2.1_927 Version: 18.4.6 Version: 20.1.2_937 Version: 20.4.1 Version: 20.3.2_928 Version: 20.3.2_929 Version: 20.4.1.0.1 Version: 20.3.2.1_930 Version: 19.2.4 Version: 20.5.0.1.1 Version: 20.4.1.1 Version: 20.3.3 Version: 19.2.4.0.1 Version: 20.3.2_937 Version: 20.3.3.1 Version: 20.5.1 Version: 20.1.3 Version: 20.3.3.0.4 Version: 20.3.3.1.2 Version: 20.3.3.1.1 Version: 20.4.1.2 Version: 20.3.3.0.2 Version: 20.4.1.1.5 Version: 20.4.1.0.01 Version: 20.4.1.0.02 Version: 20.3.3.1.7 Version: 20.3.3.1.5 Version: 20.5.1.0.1 Version: 20.3.3.1.10 Version: 20.3.3.0.8 Version: 20.4.2 Version: 20.4.2.0.1 Version: 20.3.4 Version: 20.3.3.0.14 Version: 19.2.4.0.8 Version: 19.2.4.0.9 Version: 20.3.4.0.1 Version: 20.3.2.0.5 Version: 20.6.1 Version: 20.5.1.0.2 Version: 20.3.3.0.17 Version: 20.6.1.1 Version: 20.6.0.18.3 Version: 20.3.2.0.6 Version: 20.6.0.18.4 Version: 20.4.2.0.2 Version: 20.3.3.0.16 Version: 20.3.4.0.5 Version: 20.6.1.0.1 Version: 20.3.4.0.6 Version: 20.6.2 Version: 20.7.1EFT2 Version: 20.3.4.0.9 Version: 20.3.4.0.11 Version: 20.4.2.0.4 Version: 20.3.3.0.18 Version: 20.7.1 Version: 20.6.2.1 Version: 20.3.4.1 Version: 20.5.1.1 Version: 20.4.2.1 Version: 20.4.2.1.1 Version: 20.3.4.1.1 Version: 20.3.813 Version: 20.3.4.0.19 Version: 20.4.2.2.1 Version: 20.5.1.2 Version: 20.3.4.2 Version: 20.3.814 Version: 20.4.2.2 Version: 20.6.2.2 Version: 20.3.4.2.1 Version: 20.7.1.1 Version: 20.3.4.1.2 Version: 20.6.2.2.2 Version: 20.3.4.0.20 Version: 20.6.2.2.3 Version: 20.4.2.2.2 Version: 20.3.5 Version: 20.6.2.0.4 Version: 20.4.2.2.3 Version: 20.3.4.0.24 Version: 20.6.2.2.7 Version: 20.6.3 Version: 20.3.4.2.2 Version: 20.4.2.2.4 Version: 20.7.1.0.2 Version: 20.8.1 Version: 20.3.5.0.8 Version: 20.3.5.0.9 Version: 20.4.2.2.8 Version: 20.3.5.0.7 Version: 20.6.3.0.7 Version: 20.6.3.0.5 Version: 20.6.3.0.10 Version: 20.6.3.0.2 Version: 20.7.2 Version: 20.9.1EFT2 Version: 20.6.3.0.11 Version: 20.6.3.1 Version: 20.6.3.0.14 Version: 20.6.4 Version: 20.9.1 Version: 20.6.3.0.19 Version: 20.6.3.0.18 Version: 20.3.6 Version: 20.9.1.1 Version: 20.6.3.0.23 Version: 20.6.4.0.4 Version: 20.6.3.0.25 Version: 20.6.5 Version: 20.6.3.0.27 Version: 20.9.2 Version: 20.9.2.1 Version: 20.6.3.0.29 Version: 20.6.3.0.31 Version: 20.6.3.0.32 Version: 20.10.1 Version: 20.6.3.0.33 Version: 20.9.2.0.01 Version: 20.9.1_LI_Images Version: 20.10.1_LI_Images Version: 20.9.2_LI_Images Version: 20.3.7 Version: 20.9.3 Version: 20.6.5.1 Version: 20.11.1 Version: 20.11.1_LI_Images Version: 20.9.3_LI_ Images Version: 20.6.3.1.1 Version: 20.9.3.0.2 Version: 20.6.5.1.2 Version: 20.9.3.0.3 Version: 20.4.2.3 Version: 20.6.3.2 Version: 20.6.4.1 Version: 20.6.3.0.38 Version: 20.6.3.0.39 Version: 20.3.5.1 Version: 20.3.4.3 Version: 20.9.3.1 Version: 20.3.3.2 Version: 20.6.5.2 Version: 20.3.7.1 Version: 20.10.1.1 Version: 20.6.5.2.1 Version: 20.3.4.0.25 Version: 20.6.2.2.4 Version: 20.6.1.2 Version: 20.11.1.1 Version: 20.9.3.0.5 Version: 20.3.4.0.26 Version: 20.6.5.1.3 Version: 20.6.3.0.40 Version: 20.1.3.1 Version: 20.9.2.2 Version: 20.6.5.2.3 Version: 20.6.5.1.4 Version: 20.6.5.3 Version: 20.6.3.0.41 Version: 20.9.3.0.7 Version: 20.6.5.1.5 Version: 20.9.3.0.4 Version: 20.6.4.0.19 Version: 20.6.5.1.6 Version: 20.9.3.0.8 Version: 20.6.3.3 Version: 20.3.7.2 Version: 20.6.5.4 Version: 20.6.5.1.7 Version: 20.9.3.0.12 Version: 20.6.4.2 Version: 20.6.5.5 Version: 20.9.3.2 Version: 20.11.1.2 Version: 20.6.3.4 Version: 20.10.1.2 Version: 20.6.5.1.9 Version: 20.9.3.0.16 Version: 20.6.3.0.45 Version: 20.6.5.1.10 Version: 20.9.3.0.17 Version: 20.6.5.2.4 Version: 20.6.4.0.21 Version: 20.9.3.0.18 Version: 20.6.3.0.46 Version: 20.6.3.0.47 Version: 20.9.2.3 Version: 20.9.3.2_LI_Images Version: 20.9.3.0.21 Version: 20.9.3.0.20 Version: 20.9.4_LI_Images Version: 20.9.4 Version: 20.6.5.1.11 Version: 20.12.1 Version: 20.12.1_LI_Images Version: 20.6.5.1.13 Version: 20.9.3.0.23 Version: 20.6.5.2.8 Version: 20.9.4.1 Version: 20.9.4.1_LI_Images Version: 20.9.3.0.25 Version: 20.9.3.0.24 Version: 20.6.5.1.14 Version: 20.3.8 Version: 20.6.6 Version: 20.9.3.0.26 Version: 20.6.3.0.51 Version: 20.9.3.0.29 Version: 20.12.2 Version: 20.12.2_LI_Images Version: 20.6.6.0.1 Version: 20.13.1_LI_Images Version: 20.9.4.0.4 Version: 20.13.1 Version: 20.9.4.1.1 Version: 20.9.5 Version: 20.9.5_LI_Images Version: 20.12.3_LI_Images Version: 20.12.3 Version: 20.9.4.1.3 Version: 20.6.7 Version: 20.9.5.1 Version: 20.9.5.1_LI_Images Version: 20.9.4.1.6 Version: 20.14.1 Version: 20.14.1_LI_Images Version: 20.9.5.2 Version: 20.9.5.2.1 Version: 20.9.5.2_LI_Images Version: 20.12.3.1 Version: 20.12.4 Version: 20.15.1_LI_Images Version: 20.15.1 Version: 20.9.5.1.4 Version: 20.9.5.2.7 Version: 20.9.5.2.13 Version: 20.9.6 Version: 20.9.6_LI_Images Version: 20.9.5.2.14 Version: 20.6.8 Version: 20.12.4.0.03 Version: 20.16.1 Version: 20.16.1_LI_Images Version: 20.12.4_LI_Images Version: 20.9.5.2.16 Version: 20.12.4.0.4 Version: 20.12.401 Version: 20.9.5.3 Version: 20.9.5.3_LI_Images Version: 20.12.4.1_LI_Images Version: 20.12.4.1 Version: 20.9.5.2.21 Version: 20.9.6.0.3 Version: 20.12.4.0.6 Version: 20.15.2_LI_Images Version: 20.15.2 Version: 20.12.4_Monthly_ES5 Version: 20.12.5 Version: 20.12.5_LI_Images Version: 20.9.7_LI _Images Version: 20.9.7 Version: 20.15.3 Version: 20.15.3_ LI _Images Version: 20.12.501 Version: 20.12.5.1_LI_Images Version: 20.12.5.1 Version: 20.12.5.2_LI_Images Version: 20.12.5.2 Version: 20.15.3.1 Version: 20.15.4_LI_Images Version: 20.15.4 Version: 20.9.7.1_LI _Images Version: 20.9.7.1 Version: 20.18.1 Version: 20.18.1_LI_Images Version: 20.12.6_LI_Images Version: 20.12.6 Version: 20.12.5.1.01 Version: 26.0.1 Version: 20.9.8 Version: 20.9.8_LI_Images Version: 20.18.2 Version: 20.15.4.1_LI_Images Version: 20.15.4.1 Version: 20.18.2_LI_Images Version: 26.1.1 Version: 26.1.1_LI_Images Version: 20.18.2.1_LI_Images Version: 20.18.2.1 Version: 20.15.4.2_LI_Images Version: 20.15.4.2 Version: 20.12.6.1 Version: 20.12.6.1_LI_Images Version: 20.12.5.3 Version: 20.12.5.3_LI_Images Version: 20.9.8.2_LI_Images Version: 20.9.8.2 Version: 20.18.3 Version: 20.18.3_LI_Images Version: 20.15.5 Version: 20.15.5_LI_Images Version: 20.12.7 Version: 20.12.7_LI_Images Version: 20.9.9 Version: 20.9.9_LI_Images Version: 20.18.2.2 Version: 20.18.2.2_LI_Images Version: 20.12.5.4 Version: 20.12.5.4_LI_ Images Version: 20.12.7.1_LI_Images Version: 20.12.6.2_LI_Images Version: 20.12.7.1 Version: 20.15.5.1 Version: 20.15.4.3 Version: 20.15.4.3_LI_Images Version: 20.15.5.1_LI_Images Version: 20.12.6.2 Version: 20.15.5.2 Version: 20.15.5.2_LI_Images Version: 26.1.1.1_LI_Images Version: 20.15.4.4 Version: 20.15.4.4_LI_Images Version: 26.1.1.1 Version: 20.9.9.1_LI_Images Version: 20.9.9.1 |
CISA Known Exploited Vulnerability
Data from the CISA Known Exploited Vulnerabilities Catalog
Date added: 2026-06-09
Due date: 2026-06-23
Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Used in ransomware: Unknown
Notes: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-privesc-4uxFrdzx ; https://nvd.nist.gov/vuln/detail/CVE-2026-20245
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-20245",
"options": [
{
"Exploitation": "active"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-06-05T00:00:00+00:00",
"version": "2.0.3"
},
"type": "ssvc"
}
},
{
"other": {
"content": {
"dateAdded": "2026-06-09",
"reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-20245"
},
"type": "kev"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-06-10T03:55:26.927Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"references": [
{
"tags": [
"government-resource"
],
"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-20245"
}
],
"timeline": [
{
"lang": "en",
"time": "2026-06-09T00:00:00.000Z",
"value": "CVE-2026-20245 added to CISA KEV"
}
],
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unknown",
"product": "Cisco Catalyst SD-WAN Manager",
"vendor": "Cisco",
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{
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{
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{
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{
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{
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{
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],
"descriptions": [
{
"lang": "en",
"value": "A vulnerability in the CLI of Cisco Catalyst SD-WAN Controller, formerly SD-WAN vSmart, Cisco Catalyst SD-WAN Manager, formerly SD-WAN vManage, and Cisco Catalyst SD-WAN Validator, formerly SD-WAN vBond, could allow an authenticated, local attacker to execute arbitrary commands as root by supplying a crafted file to the affected system.\r\n\r\nThis vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by uploading a crafted file to the affected system. A successful exploit could allow the attacker to perform command injection attacks on an affected system and elevate their privileges as the root user.\u0026nbsp;\r\nTo exploit this vulnerability, the attacker must have netadmin privileges on the affected system. This would require valid credentials or exploitation of or . Cisco is not aware of successful exploitation by other methods. Cisco has observed limited cases where the exploitation of this bug resulted in a configuration change pushed to edge devices.\r\nCisco recommends that customers upgrade to the fixed software that is documented in the that was published on May 14, 2026, and verify the configuration of the edge devices."
}
],
"exploits": [
{
"lang": "en",
"value": "In June 2026, the Cisco PSIRT became aware of exploitation of this vulnerability.\r\n\r\nTo exploit this vulnerability, an attacker must have\u00a0netadmin privileges on an affected system. This would require valid credentials or exploitation of or . Cisco is not aware of successful exploitation by other methods."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"format": "cvssV3_1"
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-116",
"description": "Improper Encoding or Escaping of Output",
"lang": "en",
"type": "cwe"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-06-10T21:09:01.737Z",
"orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
"shortName": "cisco"
},
"references": [
{
"name": "cisco-sa-sdwan-privesc-4uxFrdzx",
"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-privesc-4uxFrdzx"
},
{
"name": "CVE-2026-20182\u003c/a\u003e or \u003ca href=\"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-rpa-EHchtZk\" target=\"_blank\" rel=\"noopener\"\u003eCVE-2026-20127",
"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-rpa2-v69WY2SW"
}
],
"source": {
"advisory": "cisco-sa-sdwan-privesc-4uxFrdzx",
"defects": [
"CSCwu18563"
],
"discovery": "INTERNAL"
},
"title": "Cisco Catalyst SD-WAN Controller Authenticated Privilege Escalation Vulnerability"
}
},
"cveMetadata": {
"assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
"assignerShortName": "cisco",
"cveId": "CVE-2026-20245",
"datePublished": "2026-06-04T22:33:00.748Z",
"dateReserved": "2025-10-08T11:59:15.400Z",
"dateUpdated": "2026-06-10T21:09:01.737Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"cisa_known_exploited": {
"cveID": "CVE-2026-20245",
"cwes": "[\"CWE-116\"]",
"dateAdded": "2026-06-09",
"dueDate": "2026-06-23",
"knownRansomwareCampaignUse": "Unknown",
"notes": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-privesc-4uxFrdzx ; https://nvd.nist.gov/vuln/detail/CVE-2026-20245",
"product": "Catalyst SD-WAN Manager",
"requiredAction": "Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.",
"shortDescription": "Cisco Catalyst SD-WAN Manager formerly SD-WAN vManage contains an improper encoding or escaping of output vulnerability. This vulnerability could allow an authenticated, local attacker to execute arbitrary commands as root by supplying a crafted file to the affected system.",
"vendorProject": "Cisco",
"vulnerabilityName": "Cisco Catalyst SD-WAN Manager Improper Encoding or Escaping of Output Vulnerability"
}
}
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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