CVE-2026-20182CRITICAL 10.0CISA KEVEPSS p99.8%
CVE-2026-20182Cisco Catalyst SD-WAN Controller Authentication Bypass Vulnerability
Cisco / Catalyst SD-WAN
Description
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.
Scoring
| CVSS 3.1 | 10.0 (CRITICAL) |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H |
| EPSS | 90.27% probability of exploitation · percentile 99.8% · 2026-08-02T12:03:13Z |
| Published | 2026-05-14 |
| Last modified | 2026-06-16 |
CISA KEV entry
Added to KEV: 2026-05-14
Underlying weaknesses· 1
References
1
| Type | Target | Confidence | Tier |
|---|---|---|---|
| Weakness | Improper Authenticationcwe-287 | 0% | live |
(incoming)1
| Type | Target | Confidence | Tier |
|---|---|---|---|
| KEVEntry | Cisco Catalyst SD-WAN Controller Authentication Bypass Vulnerabilitykev-cve-2026-20182 | 0% | live |
Related by meaning· 6
Nearest entities by semantic similarity across the cs-graph corpus.