CVSS 3.1
7.5 highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NCVE-2019-20894
Traefik 2.x, in certain configurations, allows HTTPS sessions to proceed without mutual TLS verification in a situation where ERR_BAD_SSL_CLIENT_AUTH_CERT should have occurred.
Severity
- EPSS
- 1.6% chance of exploitation in the next 30 days; higher than 75% of CVEs (scores of 2026-10-31)
- CWE
- CWE-295
- Published
- Modified
- Record from
- the NVD, synced
Affected
- traefik:traefik
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-q9mp-79cp-9g8j | Go | github.com/traefik/traefik/v2 | <2.2.2 | 2.2.2 |
| GO-2022-0774 | Go | github.com/containous/traefik | all versions | no fix published |
| GO-2022-0774 | Go | github.com/containous/traefik/v2 | <2.2.2 | 2.2.2 |