CISA-confirmed known exploited vulnerability

CVE-2021-44207

Acclaim Systems USAHERDS Use of Hard-Coded Credentials Vulnerability

Acclaim Systems · USAHERDS

Vulnerability details

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.

Added to CISA KEV: 2024-12-23

Ransomware campaign use: Unknown

CISA due date: 2025-01-13

Defensive guidance from CISA

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.

This is the source's required-action field, not an independently validated patch procedure. Refer to the vendor for exact affected versions and fixes.

Source catalog date: 2026-11-06T19:44:45.1797Z · Last retrieved: 2026-11-06 21:02:26 UTC

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