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CVE-2025-0431

Enterprise Protection Backslash URL Rewrite Bypass

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in patch 5113, patch 5114, patch 5115
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: yes
  • Technical impact: partial

Summary

Enterprise Protection contains a vulnerability in URL rewriting that allows an unauthenticated remote attacker to send an email which bypasses URL protections impacting the integrity of recipient's email. This occurs due to improper filtering of backslashes within URLs and affects all versions of 8.21, 8.20 and 8.18 prior to 8.21.0 patch 5115, 8.20.6 patch 5114 and 8.18.6 patch 5113 respectively.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: yes · Technical impact: partial

  3. Record last updated

Affected versions

  • Proofpoint Enterprise Protection

    From 8.18.6 · fixed in patch 5113; From 8.20.6 · fixed in patch 5114; From 8.21.0 · fixed in patch 5115

References 1

proofpoint.com