Known Exploited Vulnerabilities February 25, 2026 · CISA KEV Catalog

CVE-2026-20127: Cisco Catalyst SD-WAN Controller and Manager Authentication Bypass Vulnerability

Cisco Catalyst SD-WAN Controller, formerly SD-WAN vSmart, and Cisco Catalyst SD-WAN Manager, formerly SD-WAN vManage, contain an authentication bypass vulnerability could allow an unauthenticated, remote attacker to bypass authentication and obtain administrative privileges on an affected system. This vulnerability exists because the peering authentication mechanism in an affected system is not working properly. An attacker could exploit this vulnerability by sending crafted requests to an affected system. A successful exploit could allow the attacker to log in to an affected Cisco Catalyst SD

Read the original at CISA KEV Catalog ↗

Topics

Vulnerabilities & Patching

Mentions

CVE-2026-20127Cisco

Related

CVE-2026-20320: Cisco Broad Works Improper Restriction of XML External Entity Reference Vulnerability Known Exploited Vulnerabilities · Nov 10, 2026

CVE-2026-76418: Cisco Secure Firewall ASA Software and Cisco Secure FTD Software Unchecked Return Value to NULL Pointer Dereference Vulnerability Known Exploited Vulnerabilities · Oct 29, 2026

CVE-2026-76519: Cisco Secure Email Gateway Relative Path Traversal Vulnerability Known Exploited Vulnerabilities · Oct 14, 2026