Cisco Firepower Threat Defense Software Command Injection Vulnerability

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

• cisco secure firewall management center6.3.0
• cisco secure firewall threat defense6.0.0
• cisco secure firewall threat defense6.0.1
• cisco secure firewall threat defense6.1.0
• cisco secure firewall threat defense6.2.0
• cisco secure firewall threat defense6.2.1
• cisco secure firewall threat defense6.2.2
• cisco secure firewall threat defense6.2.3

Versions reported by the vendor

Affected version ranges reported by the assigning authority (cisco). Independent of NVD's CPE analysis and usually ahead of it.

• Cisco Cisco Firepower Threat Defense Software

  • unspecified and later · before 6.2.3.12affected

Other highest-scoring records for the same primary product.

• CVE-2026-20079Cisco Secure Firewall Management Center Authentication Bypass Remote Code Execution VulnerabilityKEV
  96Now
• CVE-2026-20131Cisco Secure Firewall Management Center Software Remote Code Execution VulnerabilityKEV
  83Now
• CVE-2026-20316Cisco Secure Firewall Management Center Software Static Credential VulnerabilityKEV
  62This week
• CVE-2016-6433The Threat Management Console in Cisco Firepower Management Center 5.2.0 through 6.0.1 allows remote authenticated users to execute arbitrar
  59Plan
• CVE-2025-20265Cisco Secure Firewall Management Center Software Radius Remote Code Execution Vulnerability
  45Plan
• CVE-2023-20048A vulnerability in the web services interface of Cisco Firepower Management Center (FMC) Software could allow an authenticated, remote attac
  44Plan

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Root cause

User input is inserted as text into a shell command. The shell may interpret special characters in the input as part of the command.

A representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.

1const host = req.body.host;2exec("ping -c 1 " + host, onResult);

1const host = req.body.host;2if (!/^[a-z0-9.-]{1,253}$/i.test(host)) return res.sendStatus(400);3execFile("ping", ["-c", "1", host], onResult);

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.