Secure Email and Web

CVE-2024-20429: A vulnerability in the web-based management interface of Cisco AsyncOS for Secure Email Gateway could allow…

A vulnerability in the web-based management interface of Cisco AsyncOS for Secure Email Gateway could allow an authenticated, remote attacker to execute arbitrary system commands on an affected device.

Published

ExploitedNot in CISA KEV
Ransomware useNot reportedPer CISA
SeverityMEDIUMCVSS 3.1 6.5
EPSS0.62%Chance of exploitation in 30 days
Public exploitNot tracked
FixNot yet

Automatic summary from the vendor's CVE record. We haven't written a full analysis of this vulnerability yet.

Affected and fixed versions

Product / branchFixed in
Cisco Secure Email 11.0See the advisory
Cisco Secure Email 11.1See the advisory
Cisco Secure Email 11.1See the advisory
Cisco Secure Email 11.1See the advisory
Cisco Secure Email 12.0See the advisory
Cisco Secure Email 12.1See the advisory
Cisco Secure Email 12.1See the advisory
Cisco Secure Email 12.1See the advisory
Cisco Secure Email 13.0See the advisory
Cisco Secure Email 13.0See the advisory
Cisco Secure Email 13.5See the advisory
Cisco Secure Email 13.5See the advisory
Cisco Secure Email 12.5See the advisory
Cisco Secure Email 12.5See the advisory
Cisco Secure Email 12.5See the advisory
Cisco Secure Email 14.0See the advisory
Cisco Secure Email 14.2See the advisory
Cisco Secure Email 14.2See the advisory

Always confirm against the vendor advisory, which lists every fixed hotfix.

What it is

A vulnerability in the web-based management interface of Cisco AsyncOS for Secure Email Gateway could allow an authenticated, remote attacker to execute arbitrary system commands on an affected device. This vulnerability is due to insufficient input validation in certain portions of the web-based management interface. 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. To successfully exploit this vulnerability, an attacker would need at least valid Operator credentials.

Exploitation

The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory.

Sources

KEV status, EPSS score and vendor data refreshed automatically, last on 11 Oct 2026.

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