CVE-2021-44207 — Acclaim Systems USAHERDS Use of Hard-Coded Credentials Vulnerability

Acclaim USAHERDS through 7.4.0.1 uses hard-coded credentials.

01What is this vulnerability?

Acclaim USAHERDS through 7.4.0.1 uses hard-coded credentials.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Yes — actively exploited. Added to the CISA KEV catalog on 2024-12-23. Ransomware use: Unknown.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

Open in Sigma generator →

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2021-12-21T17:45:33.000Z
• Last modified: 2025-10-21T23:15:50.164Z
• Added to CISA KEV: 2024-12-23
• BOD 22-01 due: 2025-01-13

09References

• www.acclaimsystems.com — https://www.acclaimsystems.com
• github.com — https://github.com/mandiant/Vulnerability-Disclosures/blob/master/MNDT-2021-0012…