Search: CVE-2026-20127

1 threat

Severity	CVSS	Signals	Threat	Source	Published	Score and star
Critical	10.0	KEVEPSS 89%	CVE-2026-20127Cisco Catalyst SD-WAN Manager · Improper Authentication Critical10.0KEVEPSS 89%2026-02-25CVE Database V5CVE-2026-20127 CVE-2026-20127 is a critical vulnerability in Cisco Catalyst SD-WAN Manager and related components that allows unauthenticated remote attackers to bypass authentication and gain administrative privileges. The flaw is due to improper functioning of the peering authentication mechanism. Exploitation enables attackers to log in as a high-privileged internal user and access NETCONF to manipulate network configurations of the SD-WAN fabric. KEVEPSS 89%Vulnerability CWE-287	CVE Database V5	2026-02-25

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