{"id":"CVE-2025-0431","state":"PUBLISHED","title":"Enterprise Protection Backslash URL Rewrite Bypass","description":"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.","publishedAt":"2025-03-19T16:18:23.793Z","updatedAt":"2025-03-19T17:38:26.546Z","severity":{"score":5.8,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N","source":"Proofpoint"},"assigner":"Proofpoint","products":["Proofpoint Enterprise Protection"],"affected":[{"vendor":"Proofpoint","product":"Enterprise Protection","defaultStatus":"affected","versions":[{"version":"8.18.6","status":"affected","lessThan":"patch 5113","changes":[{"at":"patch 5113","status":"unaffected"}],"versionType":"semver"},{"version":"8.20.6","status":"affected","lessThan":"patch 5114","changes":[{"at":"patch 5114","status":"unaffected"}],"versionType":"semver"},{"version":"8.21.0","status":"affected","lessThan":"patch 5115","changes":[{"at":"patch 5115","status":"unaffected"}],"versionType":"semver"}]}],"references":["https://www.proofpoint.com/us/security/security-advisories/pfpt-sa-2025-0001"],"weaknesses":["CWE-790"],"ingestedAt":"2026-10-29T20:08:20.985Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/0xxx/CVE-2025-0431.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2025-0431","state":"PUBLISHED","datePublished":"2025-03-19T16:18:23.793Z","dateUpdated":"2025-03-19T17:38:26.546Z","assignerShortName":"Proofpoint","assignerOrgId":"d83a79dd-e128-4b83-8b64-84faf54eed46","dateReserved":"2025-01-13T19:25:35.786Z"},"containers":{"cna":{"title":"Enterprise Protection Backslash URL Rewrite Bypass","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"Proofpoint","product":"Enterprise Protection","defaultStatus":"affected","versions":[{"version":"8.18.6","status":"affected","lessThan":"patch 5113","changes":[{"at":"patch 5113","status":"unaffected"}],"versionType":"semver"},{"version":"8.20.6","status":"affected","lessThan":"patch 5114","changes":[{"at":"patch 5114","status":"unaffected"}],"versionType":"semver"},{"version":"8.21.0","status":"affected","lessThan":"patch 5115","changes":[{"at":"patch 5115","status":"unaffected"}],"versionType":"semver"}]}],"references":[{"url":"https://www.proofpoint.com/us/security/security-advisories/pfpt-sa-2025-0001"}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":5.8,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-790","description":"CWE-790 Improper Filtering of Special Elements","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"Proofpoint","orgId":"d83a79dd-e128-4b83-8b64-84faf54eed46","dateUpdated":"2025-03-19T16:18:23.793Z"},"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 0.1.0-dev"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-03-19T17:37:58.453989Z","id":"CVE-2025-0431","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-03-19T17:38:26.546Z"}}]}}}