#VU93811 Security features bypass in Traefik - CVE-2024-39321

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Main Vulnerability Database Vulnerabilities #VU93811

#VU93811 Security features bypass in Traefik - CVE-2024-39321

Published: July 5, 2024


Vulnerability identifier: #VU93811
Vulnerability risk: Medium
CVSSv4.0: 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-2024-39321
CWE-ID: CWE-254
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Traefik
Software vendor:
Containous

Description

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to improper input validation when handling HTTP/3 early data requests in QUIC 0-RTT handshakes. A remote attacker can spoof the original IP address and bypass IP allow-lists.


Remediation

Install updates from vendor's website.

External links