CVE-2025-20393
CriticalSummary
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. The issue is due to insufficient validation of HTTP requests by the Spam Quarantine feature.
Risk Assessment
An attacker can gain full control of the device, potentially compromising the security of the entire email and network infrastructure.
Recommendation
Apply updates or patches provided by Cisco for affected versions of AsyncOS software.
Original NVD description (English source)
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.