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10.0Crítica KEV

CVE-2025-20393Cisco Secure Email Gateway and Cisco Secure Email and Web Manager Remote Command Execution Vulnerability

Cisco Cisco Secure Email; Cisco Cisco Secure Email and Web Manager Publicada: (hace 10 meses)

Explotación conocida — Cisco Multiple Products Improper Input Validation Vulnerability

CISA confirmó el 17.12.2025 que esta vulnerabilidad se usa en ataques reales. Plazo para las agencias federales de EE. UU.: 24.12.2025.

Acción requerida: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. Please adhere to Cisco's guidelines to assess exposure and mitigate risks. Check for signs of potential compromise on all internet accessible Cisco products affected by this vulnerability. Apply any final mitigations provided by the vendor as soon as they become available. For more information please see: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sma-attack-N9bf4 ; https://nvd.nist.gov/vuln/detail/CVE-2025-20393

Descripción

A vulnerability in the Spam Quarantine feature of Cisco AsyncOS Software for Cisco Secure Email Gateway and Cisco Secure Email and Web Manager could allow an unauthenticated, remote attacker to execute arbitrary system commands on an affected device with root privileges. This vulnerability is due to insufficient validation of HTTP requests by the Spam Quarantine feature. An attacker could exploit this vulnerability by sending a crafted HTTP request to the affected device. A successful exploit could allow the attacker to execute arbitrary commands on the underlying operating system with root privileges.

Debilidad (CWE): CWE-20

Datos: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Se publican tal como los indican las fuentes, en inglés.

Productos y versiones afectados

FabricanteProductoVersiones
cisco asyncos < 15.0.5-016
Cisco Cisco Secure Email 14.0.0-698, 13.5.1-277, 13.0.0-392, 14.2.0-620, 13.0.5-007, 13.5.4-038, 14.2.1-020, 14.3.0-032, 15.0.0-104, 15.0.1-030, 15.5.0-048, 15.5.1-055, 15.5.2-018, 16.0.0-050, 15.0.3-002, 16.0.0-054, 15.5.3-022, 16.0.1-017
Cisco Cisco Secure Email and Web Manager 13.6.2-023, 13.6.2-078, 13.0.0-249, 13.0.0-277, 13.8.1-052, 13.8.1-068, 13.8.1-074, 14.0.0-404, 12.8.1-002, 14.1.0-227, 13.6.1-201, 14.2.0-203, 14.2.0-212, 12.8.1-021, 13.8.1-108, 14.2.0-224, 14.3.0-120, 15.0.0-334, 15.5.1-024, 15.5.1-029, 15.5.2-005, 16.0.0-195, 15.5.3-017, 16.0.1-010, 15.0.1-035, 16.0.2-088

Referencias y parches

Coincidencias CPE (NVD) (6)
  • cpe:2.3:o:cisco:asyncos:*:*:*:*:*:*:*:* < 15.0.5-016
  • cpe:2.3:o:cisco:asyncos:*:*:*:*:*:*:*:* ≥ 15.5 < 15.5.4-012
  • cpe:2.3:o:cisco:asyncos:*:*:*:*:*:*:*:* ≥ 16.0 < 16.0.4-016
  • cpe:2.3:o:cisco:asyncos:*:*:*:*:*:*:*:* < 15.0.2-007
  • cpe:2.3:o:cisco:asyncos:*:*:*:*:*:*:*:* ≥ 15.5 < 15.5.4-007
  • cpe:2.3:o:cisco:asyncos:*:*:*:*:*:*:*:* ≥ 16.0 < 16.0.4-010