CVE-2025-20393
CISA KEV
ACT NOW
Priority: 0.00
BB Relevance:
6/100
Published: N/A
Modified: N/A
First seen: 2026-10-29
Status: pending_score
Description
Cisco Secure Email Gateway, Secure Email, AsyncOS Software, and Web Manager appliances contains an improper input validation vulnerability that allows threat actors to execute arbitrary commands with root privileges on the underlying operating system of an affected appliance.
CISA Known Exploited Vulnerability
Vendor / Product
Cisco — Multiple Products
Date Added
2025-12-17
Remediation Due
2025-12-24
Please adhere to Cisco's guidelines to assess exposure and mitigate risks. Check for signs of potential compromise on all internet accessible Cisco products affected by this vulnerability. Apply any final mitigations provided by the vendor as soon as they become available. For more information please see: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sma-attack-N9bf4 ; https://nvd.nist.gov/vuln/detail/CVE-2025-20393