Cisco Secure Web Appliance vulnerabilities

3 CVEs affecting Cisco Secure Web Appliance, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2026-20152, published 2026-04-15.

Highest priority

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

CVE-2025-20207, published 2025-02-05. Medium severity, CVSS 4.3. EPSS: 0.3% chance of exploitation in the next 30 days. A vulnerability in Simple Network Management Protocol (SNMP) polling for Cisco Secure Email and Web Manager, Cisco Secure Email Gateway, and Cisco Secure Web Appliance could allow an authenticated,…
CVE-2026-20152, published 2026-04-15. Medium severity, CVSS 5.3. EPSS: 0.3% chance of exploitation in the next 30 days. A vulnerability in the authentication service feature of Cisco AsyncOS Software for Cisco Secure Web Appliance could allow an unauthenticated, remote attacker to bypass authentication policy…
CVE-2026-20056, published 2026-02-04. Medium severity, CVSS 4.0. EPSS: 0.2% chance of exploitation in the next 30 days. A vulnerability in the Dynamic Vectoring and Streaming (DVS) Engine implementation of Cisco AsyncOS Software for Cisco Secure Web Appliance could allow an unauthenticated, remote attacker to bypass…