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

Source

https://github.com/thesystemowner/CVE-2025-20393-POC

Associated Vulnerability

Title:Cisco Secure Email Gateway and Cisco Secure Email and Web Manager Remote Command Execution Vulnerability (CVE-2025-20393)
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.

Description

    This scanner detects Cisco SEG/SEWM appliances vulnerable to CVE-2025-20393,     a critical unauthenticated RCE vulnerability in Cisco AsyncOS affecting     devices with Spam Quarantine feature exposed to the internet.          CVSS Score: 10.0 (Critical)

File Snapshot

Remarks

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