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CVE-2025-20393

Cisco Multiple Products

Cisco Multiple Products Improper Input Validation Vulnerability

What it is

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.

What to do

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Vendor notices and references

Description and required action as published by CISA. Full record at NVD.

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