Cisco Multiple Products
YES - ON THE CISA KEV LIST
CVE-2025-20393
Cisco Multiple Products Improper Input Validation Vulnerability
322 days past due
Cisco: 103 entries (5.8% of all KEV entries are from this vendor); 21 added in 2026.
BOD 26-04 note: this is the date printed in the CISA catalog. A federal agency's actual deadline is set by its SSVC tier - Act (3 days), Attend (14 days), Track (60 days), or the next scheduled upgrade - counted from the KEV listing date or the date the vulnerability is identified in its environment, whichever comes first. Use the tier helper on each CVE page for your own window.
Your BOD 26-04 window (SSVC tier helper)
Your remediation window ends:
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.
Required action (CISA)
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Notes
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
References
Other KEV entries for this vendor: Cisco
- CVE-2026-20320 - BroadWorks (2026-11-10)
- CVE-2026-76418 - Secure Firewall ASA Software and Cisco Secure FTD Software (2026-10-29)
- CVE-2026-76519 - Secure Email Gateway (2026-10-14)
- CVE-2026-76504 - Catalyst SD-WAN Manager (2026-09-30)
- CVE-2026-76460 - Identity Services Engine (2026-09-16)
- CVE-2026-76461 - Secure Email Gateway (2026-09-14)
- CVE-2026-20079 - Secure Firewall Management Center (FMC) and Security Cloud Control (SCC) Firewall Management (2026-09-09)
- CVE-2026-20349 - Secure Firewall Adaptive Security Appliance (ASA) and Secure Firewall Threat Defense (FTD) (2026-08-11)
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