How severe is CVE-2021-44207?

CVE-2021-44207 has a CVSS 3.1 base score of 8.1 (HIGH). EPSS estimates a 17.6% probability of exploitation in the next 30 days. It is listed in the CISA Known Exploited Vulnerabilities catalog.

CVE-2021-44207: Acclaim Systems USAHERDS Use of Hard-Coded

CISA Known Exploited Vulnerabilities

Acclaim Systems USAHERDS Use of Hard-Coded Credentials Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.

Added to KEV

2024-12-23

Remediation due

2025-01-13

Required action
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. Please contact the product developer for support and vulnerability mitigation.

CISA notes
https://www.acclaimsystems.com/#contact ; https://www.tnatc.org/#contact ; https://nvd.nist.gov/vuln/detail/CVE-2021-44207

Description

Acclaim USAHERDS through 7.4.0.1 uses hard-coded credentials.

Severity

CVSS 3.1 · CISA8.1 HIGH

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

SSVC · CISA-ADP

Exploitationactive

Automatableno

Technical impacttotal

Exploitation Context

as of October 13, 2026

All KEV statistics→

CISA added CVE-2021-44207 to the KEV catalog 1,098 days after its CVE record was published. The median for entries added in 2024 is 21.5 days.
Its current EPSS score (17.6%) is higher than that of 33% of CISA KEV entries.

Affected Products

Vendor	Product	Affected versions
-	-	n/a

References

2 Links

Other references

Record Details

Published

2021-12-21

Last updated

2025-10-21

Assigner (CNA)

mitre

Credited to

CVE record data © The MITRE Corporation, used under the CVE Terms of Use. Exploited-in-the-wild data from the CISA Known Exploited Vulnerabilities catalog (CC0). Exploit prediction scores by FIRST EPSS (first.org/epss). This site is not endorsed or certified by MITRE, NVD, CISA, or FIRST.