Cisco Catalyst SD-WAN Manager vulnerabilities

93 CVEs affecting Cisco Catalyst SD-WAN Manager, 9 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2026-76504, published 2026-09-30.

Highest priority

Known exploited (CISA KEV) first, then by EPSS exploit probability.

CVE-2026-20182: Cisco Catalyst SD-WAN Controller Authentication Bypass Vulnerability, published 2026-05-14. Critical severity, CVSS 10.0. Actively exploited: in CISA KEV since 2026-05-14. EPSS: 91.8% chance of exploitation in the next 30 days. May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and fixed after the was disclosed in February 2026. This new advisory is for a new…
CVE-2026-20127: Cisco Catalyst SD-WAN Controller and Manager Authentication Bypass Vulnerability, published 2026-02-25. Critical severity, CVSS 10.0. Actively exploited: in CISA KEV since 2026-02-25. EPSS: 88.5% chance of exploitation in the next 30 days. A vulnerability in the peering authentication in Cisco Catalyst SD-WAN Controller, formerly SD-WAN vSmart, Cisco Catalyst SD-WAN Manager, formerly SD-WAN vManage, and Cisco Catalyst SD-WAN Validator,…
CVE-2026-20133: Cisco Catalyst SD-WAN Manager Exposure of Sensitive Information to an Unauthorized Actor Vulnerability, published 2026-02-25. High severity, CVSS 7.5. Actively exploited: in CISA KEV since 2026-04-20. EPSS: 32.4% chance of exploitation in the next 30 days. 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…
CVE-2026-20262: Cisco Catalyst SD-WAN Manager Directory or Path Traversal Vulnerability, published 2026-06-15. Medium severity, CVSS 6.5. Actively exploited: in CISA KEV since 2026-06-15. EPSS: 28.2% chance of exploitation in the next 30 days. A vulnerability in the web UI of Cisco Catalyst SD-WAN Manager, formerly SD-WAN vManage, could allow an authenticated, remote attacker to create a file or overwrite any file on the filesystem of an…
CVE-2026-20122: Cisco Catalyst SD-WAN Manager Incorrect Use of Privileged APIs Vulnerability, published 2026-02-25. Medium severity, CVSS 5.4. Actively exploited: in CISA KEV since 2026-04-20. EPSS: 25.5% chance of exploitation in the next 30 days. A vulnerability in the API of Cisco Catalyst SD-WAN Manager could allow an authenticated, remote attacker to overwrite arbitrary files on the local file system. To exploit this vulnerability, the…
CVE-2026-20245: Cisco Catalyst SD-WAN Manager Improper Encoding or Escaping of Output Vulnerability, published 2026-06-04. High severity, CVSS 7.8. Actively exploited: in CISA KEV since 2026-06-09. EPSS: 25.3% chance of exploitation in the next 30 days. 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…
CVE-2022-20775: Cisco SD-WAN Path Traversal Vulnerability, published 2022-09-30. High severity, CVSS 7.8. Actively exploited: in CISA KEV since 2026-02-25. EPSS: 12.5% chance of exploitation in the next 30 days. A vulnerability in the CLI of Cisco SD-WAN Software could allow an authenticated, local attacker to gain elevated privileges. This vulnerability is due to improper access controls on commands…
CVE-2026-20128: Cisco Catalyst SD-WAN Manager Storing Passwords in a Recoverable Format Vulnerability, published 2026-02-25. High severity, CVSS 7.5. Actively exploited: in CISA KEV since 2026-04-20. EPSS: 7.2% chance of exploitation in the next 30 days. A vulnerability in the Data Collection Agent (DCA) feature of Cisco Catalyst SD-WAN Manager could allow an unauthenticated, remote attacker to gain DCA user privileges on an affected system. This…
CVE-2026-76504: Cisco Catalyst SD-WAN Manager Hex Encoding Vulnerability, published 2026-09-30. Critical severity, CVSS 9.8. Actively exploited: in CISA KEV since 2026-09-30. EPSS: 1.8% chance of exploitation in the next 30 days. A vulnerability in the API session-based authentication management of Cisco Catalyst SD-WAN Manager could allow an unauthenticated, remote attacker to access an affected system with privileges of the…
CVE-2020-26073, published 2024-11-18. High severity, CVSS 7.5. EPSS: 12.6% chance of exploitation in the next 30 days. A vulnerability in the application data endpoints of Cisco SD-WAN vManage Software could allow an unauthenticated, remote attacker to gain access to sensitive information. The vulnerability is…

Latest

CVE-2026-20224, published 2026-05-14. High severity, CVSS 8.6. EPSS: 1.1% chance of exploitation in the next 30 days. A vulnerability in the web UI of Cisco Catalyst SD-WAN Manager, formerly SD-WAN vManage, could allow an unauthenticated, remote attacker to read arbitrary files that are stored in an affected system.…
CVE-2026-20210, published 2026-05-14. Medium severity, CVSS 5.4. EPSS: 0.2% chance of exploitation in the next 30 days. A vulnerability in the web UI of Cisco Catalyst SD-WAN Manager, formerly SD-WAN vManage, could allow an authenticated, remote attacker with read-only permissions to modify configurations and perform…
CVE-2026-20209, published 2026-05-14. Medium severity, CVSS 5.4. EPSS: 0.2% chance of exploitation in the next 30 days. A vulnerability in the web UI of Cisco Catalyst SD-WAN Manager, formerly SD-WAN vManage, could allow an authenticated, remote attacker with read-only permissions to elevate their privileges from low…
CVE-2026-20108, published 2026-03-25. Medium severity, CVSS 5.4. EPSS: 0.2% chance of exploitation in the next 30 days. A vulnerability in the web-based management interface of Cisco Catalyst SD-WAN Manager could allow an authenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of…
CVE-2026-20129, published 2026-02-25. Critical severity, CVSS 9.8. EPSS: 0.8% chance of exploitation in the next 30 days. A vulnerability in the API user authentication of Cisco Catalyst SD-WAN Manager could allow an unauthenticated, remote attacker to gain access to an affected system as a user who has…