CVE-2025-20184: Cisco Asyncos

High severity, CVSS 7.2. EPSS: 0.9% chance of exploitation in the next 30 days.

A vulnerability in the web-based management interface of Cisco AsyncOS Software for Cisco Secure Email Gateway and Cisco Secure Web Appliance could allow an authenticated, remote attacker to perform command injection attacks against an affected device. The attacker must authenticate with valid administrator credentials. This vulnerability is due to insufficient validation of XML configuration files by an affected device. An attacker could exploit this vulnerability by uploading a crafted XML configuration file. A successful exploit could allow the attacker to inject commands to the underlying operating system with root privileges.

Affected products

• Cisco Asyncos: version 13.0.0-392 only; version 13.0.5-007 only; version 13.5.1-277 only; version 13.5.4-038 only; version 14.0.0-698 only; version 14.2.0-620 only; …

Published 2025-02-05. Last modified 2026-06-17.