CVE-2020-21999

8.8 highEPSS 5.2%

High (8.8) in iwt facesentry access control system firmware. EPSS 5.2% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

8.8 high

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS: 5.2% chance of exploitation in the next 30 days; higher than 92% of CVEs (scores of 2026-10-31)
CWE: CWE-78
Published: 2021-05-04
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

iwt:facesentry_access_control_system_firmware

References

https://www.exploit-db.com/exploits/47066
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2019-5525.php
https://www.exploit-db.com/exploits/47066
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2019-5525.php

Check your stack JSON