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© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2020-21999

27
FAUCET Score

CVE-2020-21999 is an authenticated OS command injection vulnerability affecting iWT Ltd FaceSentry Access Control System versions 6.4.8 and earlier. An attacker with default credentials can inject and execute arbitrary shell commands as the root user through the 'strInIP' POST parameter in the pingTest PHP script. This vulnerability has a CVSS score of 8.8 (High), indicating a critical risk due to its network attack vector, low complexity, and high impact on confidentiality, integrity, and availability. While no active exploitation, public exploit code, or significant community discussion has been observed, the high FAUCET Risk Score of 91/100 suggests a significant potential for exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
5.7.0CPE matchmatch criteria
cpe:2.3:o:iwt:facesentry_access_control_system_firmware:5.7.0:*:*:*:*:*:*:*
5.7.2CPE matchmatch criteria
cpe:2.3:o:iwt:facesentry_access_control_system_firmware:5.7.2:*:*:*:*:*:*:*
6.4.8CPE matchmatch criteria
cpe:2.3:o:iwt:facesentry_access_control_system_firmware:6.4.8:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
5.24%
Probability of exploitation in next 30 days
EPSS Percentile
91.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0524 is in the 91st percentile among its peer group of 17,822 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

exploit-db.com / exploits/47066
ExploitThird Party AdvisoryVDB Entry
zeroscience.mk / en/vulnerabilities/ZSL-2019-5525.php
ExploitThird Party Advisory