Improper Authorization in Traefik - CVE-2023-47106
Published: December 4, 2023
Vulnerability identifier: #VU83638
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2023-47106
CWE-ID: CWE-285
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Containous
Affected software:
Traefik
Traefik
Detailed vulnerability description
The vulnerability allows a remote attacker to bypass authorization.
The vulnerability exists due to the way Traefik handles requests with URL fragments. A remote attacker can use a specially crafted URL to bypass URI-based access control restrictions, when combined with another frontend proxy like Nginx.
How to mitigate CVE-2023-47106
Install updates from vendor's website.