high7.5
CVE-2019-20894
Improper Authentication
Impact
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.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| go | github.com/traefik/traefik/v2 | < 2.2.2 | 2.2.2 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Traefik | Traefik | from 2.0.0 before 2.0.1 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/containous/traefik/issues/5312
- https://github.com/advisories/GHSA-q9mp-79cp-9g8j
- https://nvd.nist.gov/vuln/detail/CVE-2019-20894
- https://github.com/containous/traefik/pull/7008
- https://github.com/containous/traefik/commit/2b353971696717e980521b0e4baa1eba66c8d2bf