CVE-2025-20139

{"id": "CVE-2025-20139", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "psirt@cisco.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}]}, "published": "2025-04-02T17:15:43.097", "references": [{"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ece-dos-tC6m9GZ8", "tags": ["Vendor Advisory"], "source": "psirt@cisco.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "psirt@cisco.com", "description": [{"lang": "en", "value": "CWE-185"}]}], "descriptions": [{"lang": "en", "value": "A vulnerability in chat messaging features of Cisco Enterprise Chat and Email (ECE) could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition.\r\n\r This vulnerability is due to improper validation of user-supplied input to chat entry points. An attacker could exploit this vulnerability by sending malicious requests to a messaging chat entry point in the affected application. A successful exploit could allow the attacker to cause the application to stop responding, resulting in a DoS condition. The application may not recover on its own and may need an administrator to manually restart services to recover."}, {"lang": "es", "value": "Una vulnerabilidad en las funciones de mensajer\u00eda de chat de Cisco Enterprise Chat and Email (ECE) podr\u00eda permitir que un atacante remoto no autenticado provoque una denegaci\u00f3n de servicio (DoS). Esta vulnerabilidad se debe a una validaci\u00f3n incorrecta de la informaci\u00f3n proporcionada por el usuario en los puntos de entrada del chat. Un atacante podr\u00eda explotar esta vulnerabilidad enviando solicitudes maliciosas a un punto de entrada del chat de la aplicaci\u00f3n afectada. Si se explota con \u00e9xito, el atacante podr\u00eda provocar que la aplicaci\u00f3n deje de responder, lo que provocar\u00eda una denegaci\u00f3n de servicio (DoS). Es posible que la aplicaci\u00f3n no se recupere por s\u00ed sola y que un administrador deba reiniciar los servicios manualmente."}], "lastModified": "2025-08-06T20:03:54.360", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:cisco:enterprise_chat_and_email:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "2018F275-5BB3-4251-B8A4-8BEB11958C0B", "versionEndExcluding": "12.6\\(1\\)es10"}], "operator": "OR"}]}], "sourceIdentifier": "psirt@cisco.com"}