Secure Email and Web

CVE-2024-20435: A vulnerability in the CLI of Cisco AsyncOS for Secure Web Appliance could allow an authenticated, local at…

A vulnerability in the CLI of Cisco AsyncOS for Secure Web Appliance could allow an authenticated, local attacker to execute arbitrary commands and elevate privileges to root.

Published

ExploitedNot in CISA KEV
Ransomware useNot reportedPer CISA
SeverityHIGHCVSS 3.1 8.8
EPSS0.16%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 Web Appliance 11.7See the advisory
Cisco Secure Web Appliance 11.7See the advisory
Cisco Secure Web Appliance 11.7See the advisory
Cisco Secure Web Appliance 11.7See the advisory
Cisco Secure Web Appliance 11.7See the advisory
Cisco Secure Web Appliance 11.7See the advisory
Cisco Secure Web Appliance 11.8See the advisory
Cisco Secure Web Appliance 11.8See the advisory
Cisco Secure Web Appliance 11.8See the advisory
Cisco Secure Web Appliance 11.8See the advisory
Cisco Secure Web Appliance 12.0See the advisory
Cisco Secure Web Appliance 12.0See the advisory
Cisco Secure Web Appliance 12.5See the advisory
Cisco Secure Web Appliance 12.5See the advisory
Cisco Secure Web Appliance 12.5See the advisory
Cisco Secure Web Appliance 12.5See the advisory
Cisco Secure Web Appliance 12.5See the advisory
Cisco Secure Web Appliance 14.5See the advisory
Cisco Secure Web Appliance 14.5See the advisory
Cisco Secure Web Appliance 14.5See the advisory
Cisco Secure Web Appliance 14.0See the advisory
Cisco Secure Web Appliance 14.0See the advisory
Cisco Secure Web Appliance 14.0See the advisory
Cisco Secure Web Appliance 14.0See the advisory
Cisco Secure Web Appliance 15.0See the advisory
Cisco Secure Web Appliance 15.0See the advisory
Cisco Secure Web Appliance 15.1See the advisory

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

What it is

A vulnerability in the CLI of Cisco AsyncOS for Secure Web Appliance could allow an authenticated, local attacker to execute arbitrary commands and elevate privileges to root. This vulnerability is due to insufficient validation of user-supplied input for the CLI. An attacker could exploit this vulnerability by authenticating to the system and executing a crafted command on the affected device. A successful exploit could allow the attacker to execute arbitrary commands on the underlying operating system and elevate privileges to root. To successfully exploit this vulnerability, an attacker would need at least guest 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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