VULNERABILITY INTELLIGENCE
CVE-2025-20393
CVSS score10 CRITICAL
EPSS probability32.39%
CISA KEVKnown exploited vulnerability
Published2025-12-17
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Known Exploited Vulnerability
Cisco Multiple Products Improper Input Validation Vulnerability
Vendor / product: Cisco / Multiple Products
Description
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.
Weakness classification
- CWE-20: Improper Input Validation
Primary references
- psirt@cisco.com — Vendor Advisory
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 — US Government Resource