{"id":"CVE-2025-20153","state":"PUBLISHED","title":"Cisco ESA mail Bypass","description":"A vulnerability in the email filtering mechanism of Cisco Secure Email Gateway could allow an unauthenticated, remote attacker to bypass the configured rules and allow emails that should have been denied to flow through an affected device.  \r\n\r\nThis vulnerability is due to improper handling of email that passes through an affected device. An attacker could exploit this vulnerability by sending a crafted email through the affected device. A successful exploit could allow the attacker to bypass email filters on the affected device.","publishedAt":"2025-02-19T16:06:10.664Z","updatedAt":"2025-02-19T16:19:19.168Z","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":"cisco"},"assigner":"cisco","products":["Cisco Cisco Secure Email"],"affected":[{"vendor":"Cisco","product":"Cisco Secure Email","defaultStatus":"unknown","versions":[{"version":"14.0.0-698","status":"affected"},{"version":"13.5.1-277","status":"affected"},{"version":"13.0.0-392","status":"affected"},{"version":"14.2.0-620","status":"affected"},{"version":"13.0.5-007","status":"affected"},{"version":"13.5.4-038","status":"affected"},{"version":"14.2.1-020","status":"affected"},{"version":"14.3.0-032","status":"affected"},{"version":"15.0.0-104","status":"affected"},{"version":"15.0.1-030","status":"affected"},{"version":"15.5.0-048","status":"affected"},{"version":"15.5.1-055","status":"affected"},{"version":"15.5.2-018","status":"affected"},{"version":"16.0.0-050","status":"affected"},{"version":"15.0.3-002","status":"affected"}]}],"references":["https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-esa-mailpol-bypass-5nVcJZMw"],"weaknesses":["CWE-284"],"ingestedAt":"2026-10-29T20:08:39.238Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/20xxx/CVE-2025-20153.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2025-20153","state":"PUBLISHED","datePublished":"2025-02-19T16:06:10.664Z","dateUpdated":"2025-02-19T16:19:19.168Z","assignerShortName":"cisco","assignerOrgId":"d1c1063e-7a18-46af-9102-31f8928bc633","dateReserved":"2024-10-10T19:15:13.216Z"},"containers":{"cna":{"title":"Cisco ESA mail Bypass","descriptions":[{"lang":"en","value":"A vulnerability in the email filtering mechanism of Cisco Secure Email Gateway could allow an unauthenticated, remote attacker to bypass the configured rules and allow emails that should have been denied to flow through an affected device.  \r\n\r\nThis vulnerability is due to improper handling of email that passes through an affected device. An attacker could exploit this vulnerability by sending a crafted email through the affected device. A successful exploit could allow the attacker to bypass email filters on the affected device."}],"affected":[{"vendor":"Cisco","product":"Cisco Secure Email","defaultStatus":"unknown","versions":[{"version":"14.0.0-698","status":"affected"},{"version":"13.5.1-277","status":"affected"},{"version":"13.0.0-392","status":"affected"},{"version":"14.2.0-620","status":"affected"},{"version":"13.0.5-007","status":"affected"},{"version":"13.5.4-038","status":"affected"},{"version":"14.2.1-020","status":"affected"},{"version":"14.3.0-032","status":"affected"},{"version":"15.0.0-104","status":"affected"},{"version":"15.0.1-030","status":"affected"},{"version":"15.5.0-048","status":"affected"},{"version":"15.5.1-055","status":"affected"},{"version":"15.5.2-018","status":"affected"},{"version":"16.0.0-050","status":"affected"},{"version":"15.0.3-002","status":"affected"}]}],"references":[{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-esa-mailpol-bypass-5nVcJZMw","name":"cisco-sa-esa-mailpol-bypass-5nVcJZMw"}],"metrics":[{"format":"cvssV3_1","cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N","baseScore":5.8,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"NONE","integrityImpact":"LOW","availabilityImpact":"NONE"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-284","lang":"en","description":"Improper Access Control","type":"cwe"}]}],"providerMetadata":{"shortName":"cisco","orgId":"d1c1063e-7a18-46af-9102-31f8928bc633","dateUpdated":"2025-02-19T16:06:10.664Z"},"exploits":[{"lang":"en","value":"The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory."}],"source":{"advisory":"cisco-sa-esa-mailpol-bypass-5nVcJZMw","discovery":"INTERNAL","defects":["CSCwm82380"]}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-02-19T16:19:02.308539Z","id":"CVE-2025-20153","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":"2025-02-19T16:19:19.168Z"}}]}}}