CVE-2026-20133

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2026-20133
A vulnerability in Cisco Catalyst SD-WAN Software could allow an unauthenticated, remote attacker to view sensitive information on an affected system. This vulnerability is due to insufficient file system restrictions. An authenticated attacker with netadmin privileges could exploit this vulnerability by accessing the vshell of an affected system. A successful exploit could allow the attacker to read sensitive information on the underlying operating system.

6.5 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-authbp-qwCX8D4v Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-20133 US Government Resource
Configurations

Configuration 1 (hide)

OR cpe:2.3:a:cisco:catalyst_sd-wan_manager:*:*:*:*:*:*:*:*
cpe:2.3:a:cisco:catalyst_sd-wan_manager:*:*:*:*:*:*:*:*
cpe:2.3:a:cisco:catalyst_sd-wan_manager:*:*:*:*:*:*:*:*
cpe:2.3:a:cisco:catalyst_sd-wan_manager:*:*:*:*:*:*:*:*
cpe:2.3:a:cisco:catalyst_sd-wan_manager:20.12.6:*:*:*:*:*:*:*
History

22 Apr 2026, 16:16

Type Values Removed Values Added
Summary (en) A vulnerability in Cisco Catalyst SD-WAN Manager could allow an unauthenticated, remote attacker to view sensitive information on an affected system. This vulnerability is due to insufficient file system access restrictions. An attacker could exploit this vulnerability by accessing the API of an affected system. A successful exploit could allow the attacker to read sensitive information on the underlying operating system. (en) A vulnerability in Cisco Catalyst SD-WAN Software could allow an unauthenticated, remote attacker to view sensitive information on an affected system. This vulnerability is due to insufficient file system restrictions. An authenticated attacker with netadmin privileges could exploit this vulnerability by accessing the vshell of an affected system. A successful exploit could allow the attacker to read sensitive information on the underlying operating system.

21 Apr 2026, 12:48

Type Values Removed Values Added
References () https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-20133 - () https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-20133 - US Government Resource

20 Apr 2026, 20:16

Type Values Removed Values Added
References
  • () https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-20133 -
Summary
  • (es) Una vulnerabilidad en Cisco Catalyst SD-WAN Manager podría permitir a un atacante remoto no autenticado ver información sensible en un sistema afectado. Esta vulnerabilidad se debe a restricciones de acceso al sistema de archivos insuficientes. Un atacante podría explotar esta vulnerabilidad al acceder a la API de un sistema afectado. Un exploit exitoso podría permitir al atacante leer información sensible en el sistema operativo subyacente.

04 Mar 2026, 21:20

Type Values Removed Values Added
References () https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-authbp-qwCX8D4v - () https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-authbp-qwCX8D4v - Vendor Advisory
CPE cpe:2.3:a:cisco:catalyst_sd-wan_manager:*:*:*:*:*:*:*:*
cpe:2.3:a:cisco:catalyst_sd-wan_manager:20.12.6:*:*:*:*:*:*:*
First Time Cisco
Cisco catalyst Sd-wan Manager

25 Feb 2026, 17:25

Type Values Removed Values Added
New CVE
Information

Published : 2026-02-25 17:25

Updated : 2026-04-22 16:56

NVD link : CVE-2026-20133

Mitre link : CVE-2026-20133

CVE.ORG link : CVE-2026-20133

JSON object : View

Products Affected

cisco

  • catalyst_sd-wan_manager
CWE
CWE-200

Exposure of Sensitive Information to an Unauthorized Actor