# Acclaim Systems USAHERDS Use of Hard-Coded Credentials · pwn.watch

> 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 the CISA KEV catalog on 2024-12-23. CVE-2021-44207 was assigned before 2024; the KEV listing came in 2024.

Page: https://pwn.watch/i/acclaim-systems-usaherds-cve-2021-44207 · generated 2026-10-22T23:52:53.443Z

## Status
- Severity: high · status: closed · patch: patched
- Product: Acclaim Systems USAHERDS
- Started: 2024-12-23 · closed: 2024-12-23
- CVEs: CVE-2021-44207
- Affected: See vendor advisory (versions are not listed in the KEV record)
- Fixed in: See vendor advisory linked in sources

## Follow this incident
- RSS (one item per update): https://pwn.watch/i/acclaim-systems-usaherds-cve-2021-44207/feed.xml
- JSON Feed: https://pwn.watch/i/acclaim-systems-usaherds-cve-2021-44207/feed.json
- Full data (timeline, sources, posts, agentBrief): https://pwn.watch/i/acclaim-systems-usaherds-cve-2021-44207.json
- This file: https://pwn.watch/i/acclaim-systems-usaherds-cve-2021-44207/llms.txt

## Updates (newest first)
- 2024-12-23: CISA added CVE-2021-44207 to the KEV catalog (federal deadline 2025-01-13) (https://www.cisa.gov/known-exploited-vulnerabilities-catalog)

## Fix brief
# Security brief: Acclaim Systems USAHERDS Use of Hard-Coded Credentials

Source: https://pwn.watch/i/acclaim-systems-usaherds-cve-2021-44207 · status: closed (closed Dec 23, 2024) · severity: high · updated Dec 23, 2024

## Patch status
**PATCHED: fixed releases exist. Upgrade to a fixed version.**

## What it is
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 the CISA KEV catalog on 2024-12-23. CVE-2021-44207 was assigned before 2024; the KEV listing came in 2024.

Severity detail: CVSS 8.1 (v3.1, CISA-ADP), actively exploited (CISA KEV)

- Product: Acclaim Systems USAHERDS
- CVE / advisory ids: CVE-2021-44207

## Affected versions
- See vendor advisory (versions are not listed in the KEV record)

## Check whether you're affected
No generic command applies (the product is a hosted service, appliance or desktop app). Check the installed version in its admin UI / About screen and compare with the versions above.

## Fix
Upgrade to one of these fixed versions (or later on the same branch):
- See vendor advisory linked in sources

After upgrading, re-run the checks above and redeploy/restart the affected services.

## Secrets to rotate
This incident involves possible credential exposure. Rotate any credentials (API keys, tokens, env vars, SSH keys) that were present on affected systems or in affected builds while vulnerable/compromised versions were installed, and review access logs.

## Latest updates
- Dec 23, 2024: CISA added CVE-2021-44207 to the KEV catalog (federal deadline 2025-01-13)

## Advisories
- [Acclaim Systems advisory: CVE-2021-44207](https://www.acclaimsystems.com/#contact) (Acclaim Systems)
- [Acclaim Systems advisory: CVE-2021-44207](https://www.tnatc.org/#contact) (Acclaim Systems)
- [NVD: CVE-2021-44207](https://nvd.nist.gov/vuln/detail/CVE-2021-44207) (NVD)
- [CISA Known Exploited Vulnerabilities Catalog](https://www.cisa.gov/known-exploited-vulnerabilities-catalog) (CISA)

## Caveats
Derived from the CISA KEV JSON feed (catalogVersion 2026.10.21); CVSS from the CVE record (cveawg.mitre.org). startedAt is the CVE publication date when it fell in 2024 before the KEV listing, else the KEV dateAdded; exploitation may have begun earlier. closedAt is the KEV listing date (a fix or mitigation was available then unless noted).

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Machine-readable: https://pwn.watch/i/acclaim-systems-usaherds-cve-2021-44207.json · all incidents: https://pwn.watch/incidents.json. Verify against the vendor advisory before changing production systems.