CVE-2021-44207
Actively exploited. CVE-2021-44207 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2024-12-23) — exploitation has been observed in the wild, and US federal agencies are required to remediate it under BOD 22-01. Treat patching as urgent.
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.
CSIRTS triage
- What
- Acclaim Systems USAHERDS contains a hard-coded credentials vulnerability that could allow an attacker to achieve remote code execution.
- Who is affected
- Deployments of Acclaim Systems USAHERDS.
- Urgency
- Remediation is urgent as the vulnerability is actively exploited and critical in severity.
- Action
- Change hard-coded credentials and apply any available patches.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Exploitation confirmedAlready exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 97% of all EPSS-scored CVEs.
Advisory coverage (1)
- criticalexploitedCVE-2021-44207: Acclaim Systems USAHERDS Use of Hard-Coded Credentials Vulnerabilitycisa-kev · 2024-12-23
External references
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[](https://www.csirts.com/cve/CVE-2021-44207)