highclosedpatched

Cisco Catalyst SD-WAN: Cisco Catalyst SD-WAN Controller Authentication Bypass Vulnerability

› Cisco Catalyst SD-WAN

last updated May 14, 2026

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started: May 14, 2026
closed: May 14, 2026
CVEs: 1
sources: 3

## summary

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. Added to CISA KEV on 2026-05-14.

severity: Actively exploited (CISA KEV)

## cve ids[1]

CVE-2026-20182

## affected

See vendor advisory / CISA notes (versions not always listed in KEV feed)

## fixed in

See vendor advisory linked in sources

## timeline[1]

May 14, 2026
CISA added CVE-2026-20182 to the KEV catalog (due 2026-05-17).

## advisories[3]

## notes & caveats

Derived from CISA KEV JSON feed catalogVersion 2026.10.21. Exact affected/fixed version strings are not always in the KEV record — verify against the vendor advisory URL. startedAt uses dateAdded (exploitation may have begun earlier).

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