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AlienVault OTX Vulnerabilities

AlienVault OTX Malware

A vulnerability in a small subset of CLI commands that are used on Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software could allow an authenticated, local attacker to craft Lua code that could be used on the underlying operating system as&nbsp;root.

This vulnerability exists because user-provided input is not properly sanitized. An attacker could exploit this vulnerability by crafting valid Lua code and submitting it as a malicious parameter for a CLI command. A successful exploit could allow the attacker to inject Lua code, which could lead to arbitrary code execution as the root user. To exploit this vulnerability, an attacker must have valid&nbsp;Administrator&nbsp;credentials.

CVE-2026-20008 is a vulnerability identified in Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software. It specifically affects a small subset of command-line interface (CLI) commands that fail to properly sanitize user-supplied input. This improper neutralization of special elements leads to an OS command injection vulnerability. An attacker with valid administrator credentials and local access can craft malicious Lua code as input parameters to these CLI commands. When processed, this Lua code is executed on the underlying operating system with root privileges, enabling arbitrary code execution. The vulnerability spans a wide range of Cisco ASA and FTD software versions, including many 9.x releases up to recent updates. The attack vector is local, requiring high privileges (administrator) but no user interaction beyond authentication. The vulnerability does not appear to have known exploits in the wild yet. The CVSS v3.1 base score is 6.0, indicating medium severity, with high impact on confidentiality and integrity but limited by the need for privileged access and local presence. This vulnerability could allow attackers to fully compromise the firewall device, potentially leading to network compromise or data exfiltration if exploited.

Detailed information about CVE-2026-20008: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') in Cisco Cisco Secure Fire

CVE-2026-20008: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') in Cisco Cisco Secure Firewall Adaptive Security Appliance (ASA) Software - Live Threat Intelligence - Threat Radar | OffSeq.com

CVE-2026-20008: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') in Cisco Cisco Secure Firewall Adaptive Security Appliance (ASA) Software

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