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

Overview

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.

Vulnerability details

CVE ID

CVE-2021-44207

Vulnerability

Acclaim Systems USAHERDS Use of Hard-Coded Credentials Vulnerability

Vendor

Acclaim Systems

Affected products

Acclaim Systems: USAHERDS

Severity

HIGH

Exploitation status

Actively exploited in the wild (CISA KEV)

Published

2024-12-23

Remediation guidance

CVE-2021-44207 is in CISA's Known Exploited Vulnerabilities (KEV) catalog — U.S. federal civilian agencies are required to remediate it under Binding Operational Directive 22-01. Treat it as a priority for every environment.

Apply the vendor's official security update for Acclaim Systems the affected product as soon as possible. Where a patch is unavailable, apply vendor mitigations or isolate/segment exposed systems.

Hunt for indicators of compromise tied to this vulnerability and confirm logging/EDR coverage on affected assets.

Authoritative references

• NVD — National Vulnerability Database
• MITRE CVE Record
• CISA Known Exploited Vulnerabilities Catalog
• FIRST EPSS — Exploit Prediction Scoring