MediumAdvisoryCisco PSIRT — security advisories· 4 Mar 2026

Cisco Adaptive Security Appliance and Firepower Threat Defense Software Command Injection Vulnerability

Severity: Medium · Kind: Advisory

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From the source

A vulnerability in the Cisco Adaptive Security Appliance (ASA) restore functionality that is available in Cisco ASA Software and Cisco Firepower Threat Defense (FTD) Software could allow an authenticated, local attacker to execute arbitrary commands on the underlying operating system with root -level privileges. Administrator -level privileges are required to exploit this vulnerability. This vulnerability exists because the contents of a backup file are improperly sanitized at restore time. An attacker could exploit this vulnerability by restoring a crafted backup file to an affected device. A successful exploit could allow the attacker to execute arbitrary commands on the underlying Linux operating system as root . Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability. This advisory is available at the following link: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-cmd-inj-ZJV8Wysm For more information on the vulnerability that is described in this advisory, see Cisco Event Response: Attacks Against Cisco Firewall Platforms . <br/>Security Impact Rating: Medium <br/>CVE: CVE-2024-20358

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Plain-English summaries are AI-generated and reviewed for tone, not technical accuracy. For incident response, always rely on the original source linked above.