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Cisco CVEs

Every Cisco vulnerability SECBORN has reported on, with live CVSS severity, CISA known-exploited status and EPSS exploit odds.

27Tracked CVEs 12Known exploited 18Critical 9.0+ 0Covered this week

All Known exploited Critical High This week

27 CVEs EPSSCoverage

8.6CVSS 3.1 CVE-2026-76418 Exploited Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software Remote Access SSL VPN Tunnel Denial of Service Vulnerability Cisco · Secure Firewall ASA Software and Cisco Secure FTD Software EPSS 0.82% 2 stories 2 weeks ago 10.0CVSS 3.1 CVE-2026-20127 Exploited Cisco Catalyst SD-WAN Controller Authentication Bypass Vulnerability Cisco · Catalyst SD-WAN Controller and Manager EPSS 88% 1 story 2 weeks ago 8.6CVSS 3.1 CVE-2026-20349 Exploited Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software Remote Access SSL VPN Denial of Service Vulnerability Cisco · Secure Firewall Adaptive Security Appliance (ASA) and Secure Firewall Threat Defense (FTD) EPSS 1.0% 2 stories 2 weeks ago 9.8CVSS 3.1 CVE-2026-76519 Exploited Cisco Secure Email Gateway Arbitrary File Write Vulnerability Cisco · Secure Email Gateway EPSS 6.2% 2 stories 4 weeks ago 9.8CVSS 3.1 CVE-2026-76504 Exploited Cisco Catalyst SD-WAN Manager System Account Authorization Bypass Vulnerability Cisco · Catalyst SD-WAN Manager EPSS 39% 1 story 1 month ago 10.0CVSS 3.1 CVE-2026-76460 Exploited Cisco Identity Services Engine Authentication Bypass Vulnerability Cisco · Identity Services Engine EPSS 76% 2 stories 2 months ago 10.0CVSS 3.1 CVE-2025-20337 Exploited Cisco ISE API Unauthenticated Remote Code Execution Vulnerability Cisco · Identity Services Engine EPSS 74% 1 story 2 months ago 10.0CVSS 3.1 CVE-2026-76423 Cisco ISE API Authentication Bypass Vulnerability Cisco · Identity Services Engine Software EPSS 0.58% 1 story 2 months ago 9.9CVSS 3.1 CVE-2026-20307 Cisco Identity Services Engine Remote Code Execution Vulnerability Cisco · Identity Services Engine Software EPSS 0.98% 1 story 2 months ago 9.1CVSS 3.1 CVE-2026-20176 Cisco Identity Services Engine Remote Code Execution Vulnerability Cisco · Identity Services Engine Software EPSS 0.80% 1 story 2 months ago 9.1CVSS 3.1 CVE-2026-20211 Cisco Identity Services Engine Remote Code Execution Vulnerability Cisco · Identity Services Engine Software EPSS 0.85% 1 story 2 months ago 9.1CVSS 3.1 CVE-2026-20284 Cisco Identity Search Engine SXP REST API SQL Injection Vulnerability Cisco · Identity Services Engine Software EPSS 0.53% 1 story 2 months ago 10.0CVSS 3.1 CVE-2026-20079 Exploited Cisco Secure Firewall Management Center Authentication Bypass Remote Code Execution Vulnerability Cisco · Secure Firewall Management Center (FMC) and Security Cloud Control (SCC) Firewall Management EPSS 89% 3 stories 2 months ago 5.3CVSS 3.1 CVE-2026-20316 Exploited Ransomware Cisco Secure Firewall Management Center Software Static Credential Vulnerability Cisco · Secure Firewall Management Center (FMC) EPSS 35% 2 stories 2 months ago 9.9CVSS 3.1 CVE-2026-20303 Cisco Catalyst SD-WAN Security Hardening Release - Input Validation Vulnerabilities Cisco · Catalyst SD-WAN Controller EPSS 0.49% 1 story 3 months ago 9.9CVSS 3.1 CVE-2026-20304 Cisco Catalyst SD-WAN Security Hardening Release - Access Control Vulnerabilities Cisco · Catalyst SD-WAN Controller EPSS 0.42% 1 story 3 months ago 9.8CVSS 3.1 CVE-2026-20272 Cisco IOS XE Software Security Hardening Release Cisco · IOS XE Software EPSS 0.57% 1 story 3 months ago 9.1CVSS 3.1 CVE-2026-20310 Cisco SD-WAN Software Security Hardening Release - Improper Link Resolution Before File Access Cisco · Catalyst SD-WAN Controller EPSS 0.59% 1 story 3 months ago 9.0CVSS 3.1 CVE-2026-20267 Cisco IOS XE Software Security Hardening Release Cisco · IOS XE Software EPSS 0.38% 1 story 3 months ago 8.8CVSS 3.1 CVE-2026-20200 Cisco Integrated Management Controller Argument Injection and Remote Code Execution Vulnerability Cisco · Unified Computing System (Standalone) EPSS 0.73% 1 story 3 months ago 8.8CVSS 3.1 CVE-2026-20312 Cisco Catalyst SD-WAN Security Hardening Release - Information Disclosure Vulnerabilities Cisco · Catalyst SD-WAN Controller EPSS 0.31% 1 story 3 months ago 7.7CVSS 3.1 CVE-2026-20313 Cisco Catalyst SD-WAN Security Hardening Release - Memory Corruption Vulnerabilities Cisco · Catalyst SD-WAN Controller EPSS 0.42% 1 story 3 months ago 7.5CVSS 3.1 CVE-2018-0171 Exploited Cisco IOS and IOS XE Software Smart Install Remote Code Execution Vulnerability Cisco · IOS and IOS XE EPSS 99% 1 story 4 months ago 10.0CVSS 3.1 CVE-2025-20309 Cisco Unified Communications Manager Static SSH Credentials Vulnerability Cisco · Unified Communications Manager EPSS 1.2% 1 story 4 months ago 9.9CVSS 3.1 CVE-2024-20253 Cisco Unified Contact Center Enterprise vulnerability Cisco · Unified Contact Center Enterprise EPSS 2.4% 1 story 4 months ago

Scores and exploit data come from the CVE Program, NVD, CISA and FIRST.org. Each CVE links to SECBORN's reporting on it.