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CVE-2026-20182

Cisco Catalyst SD-WAN•CRITICAL · CVSS 10• In the wild In CISA KEV

What is CVE-2026-20182?

Cisco Catalyst SD-WAN Controller & Manager contain an authentication bypass vulnerability that allows an unauthenticated, remote attacker to bypass authentication and obtain administrative privileges on an affected system.

CVSS10 NVD 3.1
SeverityCRITICAL
Exploitation In the wild In CISA KEV
Triage statusActive Exploit
ActionPatch immediately
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

CISA Known Exploited Vulnerability

Cisco Catalyst SD-WAN Controller Authentication Bypass Vulnerability

Added to KEV2026-05-14
Federal patch deadline2026-05-17
Known ransomware useUnknown

Affected product

Cisco Catalyst SD-WAN

References

Coverage on defend.network

🤖 This CVE page is generated by defend.network from NVD, CISA KEV, EPSS, and our verified daily briefings. Severity and exploitation data come from official sources; always verify remediation steps against the official vendor advisory before acting in production.

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