Input validation error in Proofpoint Enterprise Protection - CVE-2025-0431
Published: March 21, 2025
Vulnerability identifier: #VU105927
CSH Severity: Medium
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:N/SI:L/SA:N]
CVE-ID: CVE-2025-0431
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to an error when handling backslah URLs in the rewriting mechanism. A remote attacker can send an email that bypasses implemented URL protections.
Affected software
Proofpoint Enterprise Protection
How to mitigate CVE-2025-0431
Install updates from vendor's website.
Proofpoint Enterprise Protection - addressed in versions 8.18.6 patch 5113, 8.20.6 patch 5114, 8.21.0 patch 5115