Input validation error in envoy - #VU145855
Published: December 17, 2020 / Updated: August 26, 2026
Vulnerability identifier: #VU145855
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to cause incorrect logging of the downstream address.
The vulnerability exists due to improper input validation in tcp-proxy when processing proxy-protocol connection information. A remote attacker can send crafted proxy-protocol data to cause incorrect logging of the downstream address.
Affected software
envoy
Remediation
Install security update from vendor's website.
envoy - update to 1.16.1