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 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 Administrator credentials.
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 Administrator credentials.
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Affected Vendors & Products
Advisories
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Fixes
Solution
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Workaround
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References
History
Wed, 04 Mar 2026 17:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | 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 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 Administrator credentials. | |
| Title | Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software Lua Code Injection Vulnerability | |
| Weaknesses | CWE-78 | |
| References |
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| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: cisco
Published:
Updated: 2026-03-04T17:07:26.366Z
Reserved: 2025-10-08T11:59:15.349Z
Link: CVE-2026-20008
No data.
Status : Received
Published: 2026-03-04T18:16:14.383
Modified: 2026-03-04T18:16:14.383
Link: CVE-2026-20008
No data.
OpenCVE Enrichment
No data.
Weaknesses