CVE-2020-21999

iWT Ltd FaceSentry Access Control System 6.4.8 suffers from an authenticated OS command injection vulnerability using default credentials. This can be exploited to inject and execute arbitrary shell commands as the root user via the 'strInIP' POST parameter in pingTest PHP script.

• CWE-78

• https://www.exploit-db.com/exploits/47066Exploit, Third Party Advisory, VDB Entry
• https://www.zeroscience.mk/en/vulnerabilities/ZSL-2019-5525.phpExploit, Third Party Advisory
• https://www.exploit-db.com/exploits/47066Exploit, Third Party Advisory, VDB Entry
• https://www.zeroscience.mk/en/vulnerabilities/ZSL-2019-5525.phpExploit, Third Party Advisory

Published

May 4, 2021

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
• PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
• AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.

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