CVE-2026-20182 Cisco Cisco Catalyst SD-WAN Controller
May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and fixed after the was disclosed in February 2026. This new advisory is for a new vulnerability in the control connection handshaking. The…
- CVSS
- 10.0 Critical
- EPSS
- 91%
- Percentile
- 100
- Published
- 2026-05-14
- Force
- 11 of 12
- Public PoC
- 2
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
On CISA’s exploited list
Cisco Catalyst SD-WAN Controller Authentication Bypass Vulnerability
- Added
- 2026-05-14
- Federal patch deadline
- 2026-05-17
- Ransomware use
- not known