CVE-2019-20894
HIGHCVSS 7.5/10EPSS 1.56%
Last modified
CVE-2019-20894 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 1.56% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Traefik | Traefik | >= 2.0.0, < 2.0.1 |
References
- https://github.com/containous/traefik/issues/5312Exploit, Issue Tracking, Third Party Advisory
- https://github.com/containous/traefik/issues/5312Exploit, Issue Tracking, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-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.
How severe is CVE-2019-20894?
CVE-2019-20894 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.56% probability of exploitation in the next 30 days.
How do I fix CVE-2019-20894?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2019-20894?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST