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CVE-2021-4470

Published Nov 14, 2025 CWE-78 EPSS 1.01% (60th pctl)

Overview

CVE-2021-4470 is a known-severity vulnerability. It was published on November 14, 2025.

Technical Description

TG8 Firewall contains a pre-authentication remote code execution vulnerability in the runphpcmd.php endpoint. The syscmd POST parameter is passed directly to a system command without validation and executed with root privileges. A remote, unauthenticated attacker can supply crafted values to execute arbitrary operating system commands as root, resulting in full device compromise.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Ref ssd-disclosure.com/ssd-advisory-tg8-firewall-preauth-rce-and-password-disclosure/ Ref web.archive.org/web/20211024224240/http://www.tg8security.com/ Ref www.vulncheck.com/advisories/tg8-firewall-unauthenticated-rce-via-runphpcmd-php Ref ssd-disclosure.com/ssd-advisory-tg8-firewall-preauth-rce-and-password-disclosure/

Frequently Asked Questions

What is CVE-2021-4470?

CVE-2021-4470 is a known-severity vulnerability. It was published on November 14, 2025.

How severe is CVE-2021-4470?

CVSS score information is not yet available for this vulnerability. Check back as the CVE record is updated by NVD analysts.

How do I fix or remediate CVE-2021-4470?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2021-4470?

CyberStrike's AI-powered security agents can automatically detect CVE-2021-4470 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.

How CyberStrike Helps

Autonomous Discovery

AI agents map your attack surface to find vulnerabilities like this one.
Continuous Pentesting

Automated penetration testing that runs continuously, not just quarterly.
Code Review

AI-driven PR review catches vulnerable dependencies before they ship.
HackBrowser

Browser-based exploitation validates findings with real proof-of-concept.
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