IRONSMITHINTEL
HIGHCVSS8.1
|
Actively Exploited
|CISA KEV|CVE-2021-44207|Auth: none — unauthenticated|Reboot: required|Manual only

Acclaim Systems USAHERDS Use of Hard-Coded Credentials Vulnerability

Acclaim Systems USAHERDS contains a hard-coded credentials vulnerability that could allow an attacker to achieve remote code execution on the system that runs the application. The MachineKey must be obtained via a separate vulnerability or other channel.

Published Dec 21, 2021 · Updated May 16, 2026
Why patchRisk explained in plain English
Worst-case scenarioIf unpatched

A remote attacker, without authentication, can achieve full data confidentiality loss, arbitrary modification of data, complete denial of service or system unavailability. Federal agencies are required to remediate by 2025-01-13 under CISA BOD 22-01.

How the attack worksNo clicks needed

This is a Use of Hard-coded Credentials (CWE-798) vulnerability in Acclaim Systems USAHERDS. Acclaim USAHERDS through 7.4.0.1 uses hard-coded credentials. Exploitation requires remote network access, higher attack complexity, no authentication required, and no user interaction required.

📧

Phishing link

🖼

Malicious file

🔓

Server compromised

Am I affected?Quick check

Probably yes if any of these apply:

IT Security
Running usaherds: v ≤ 7.4.0.1
Real-world incidentsWhat we've seen

CISA added this CVE to the Known Exploited Vulnerabilities catalog on 2024-12-23 based on evidence of active exploitation in the wild. Federal agencies required to remediate by 2025-01-13.

How to patch

Manual remediation steps

Apply the Vendor Patch

This vulnerability is in the CISA Known Exploited Vulnerabilities catalog — apply the vendor's security update as soon as possible.

CISA 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.

References

    1
    Vendor advisory: https://www.acclaimsystems.com/#contact
    1
    NVD entry: https://nvd.nist.gov/vuln/detail/CVE-2021-44207
    1
    CISA KEV: https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-44207
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