#VU70066 Improper Certificate Validation in Traefik - CVE-2022-46153

Vulnerability identifier: #VU70066

Vulnerability risk: High

CVSSv4.0: 6.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2022-46153

CWE-ID: CWE-295

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Traefik
Server applications / Other server solutions

Vendor: Containous

Description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to improper certificate verification within managing the TLS connections. A remote attacker can expose a route secured using an mTLS connection set with a wrong CA file.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Traefik: 2.9.0 - 2.9.5

---

External links
https://github.com/traefik/traefik/security/advisories/GHSA-468w-8x39-gj5v

---

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.