---
id: "CVE-2021-44207"
kind: "vulnerability"
aliases: ["CVE-2021-44207"]
title: "acclaimsystems usaherds: Acclaim USAHERDS through 7.4.0.1 uses hard-coded credentials"
severity: "critical"
cvss: 8.1
epss: null
exploited: true
status: "open"
category: "other"
products: [{"name": "Acclaim Systems USAHERDS", "fixed": [], "affected": "", "ecosystem": "vendor"}, {"name": "acclaimsystems usaherds", "fixed": [], "affected": "<= 7.4.0.1", "ecosystem": "vendor"}]
ecosystems: ["vendor"]
tags: ["exploited", "other", "self-hosted", "usaherds", "windows"]
not_affected_if: ["not-installed"]
published_at: "2021-12-21T18:15:08+00:00"
first_seen_at: "2026-10-23T19:11:51+00:00"
updated_at: "2026-10-23T22:29:05+00:00"
sources: [{"source": "kev", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2021-44207", "first_seen_at": "2026-10-23T19:11:51+00:00"}, {"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-44207", "first_seen_at": "2026-10-23T22:29:05+00:00"}]
---

# acclaimsystems usaherds: Acclaim USAHERDS through 7.4.0.1 uses hard-coded credentials

Acclaim Systems USAHERDS, a livestock/animal-health records application, ships with hard-coded credentials that let a remote attacker run code on the server hosting it. CISA lists it as actively exploited.

_Summary, check and fix written by a model from the sources; labelled as such._

## Affected

- vendor:Acclaim Systems USAHERDS affected ? fixed ?
- vendor:acclaimsystems usaherds affected <= 7.4.0.1 fixed ?

## Fix

Apply vendor mitigations per CISA guidance, or discontinue use of USAHERDS if no mitigation is available; contact the vendor for support.

## Timeline

- 2026-10-23T19:11:51+00:00 kev https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2021-44207
- 2026-10-23T22:29:05+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2021-44207

## From the sources

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.

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.

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_Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai_