CVE-2026-76461

Crítica9.8Publicada el 14 de septiembre de 2026

A vulnerability in the email parsing of Cisco AsyncOS Software for Cisco Secure Email Gateway could allow an unauthenticated, remote attacker to execute arbitrary commands with root privileges on the underlying operating system. This vulnerability is due to insufficient validation in the email parsing logic. An attacker could exploit this vulnerability by sending a crafted email message that contains malicious SQL statements through an affected device. A successful exploit could allow the attacker to execute arbitrary SQL statements, leading to command execution with root privileges on the underlying operating system.

Explotada activamente

  • En el catálogo CISA de vulnerabilidades explotadas desde el 14 sept 2026
  • Las agencias federales de EE. UU. deben corregirla antes del 17 sept 2026 (BOD 22-01)
  • Atacada 1 día antes de que la vulnerabilidad se hiciera pública

Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

Fuente: CISA KEV · 14 sept 2026 14 sept 2026

Puntuación CVSS9.8 / 10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Tipo de debilidad (CWE)CWE-89
Fabricantescisco

Productos afectados

FabricantesProductoVersiones
ciscoasyncos< 15.5.5-014
ciscosecure email gateway virtual appliance c100v-
ciscosecure email gateway virtual appliance c300v-
ciscosecure email gateway virtual appliance c600v-
ciscosecure email gateway c195-
ciscosecure email gateway c395-
ciscosecure email gateway c695-

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This product uses the NVD API but is not endorsed or certified by the NVD.

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