CVE-2021-44207
HIGHCISA KEVEPSS 97th pctlDescription
Acclaim USAHERDS through 7.4.0.1 uses hard-coded credentials.
How to fix
Actively exploited, no published fix found yet
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.
Federal remediation due: 2025-01-13
Mitigation guidance may be in the linked vendor advisories in the References section below.
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CVSS v3 Vector
Exploitability
Impact
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploit Intelligence
Very high risk: more likely to be exploited than 97% of all known CVEs.
Acclaim Systems USAHERDS Use of Hard-Coded Credentials Vulnerability
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.
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.
Remediation due: 2025-01-13
References
Related Vulnerabilities
Other CWE-798 (Hard-coded Credentials) vulnerabilities, ordered by exploit likelihood. View all
| CVE | Severity | CVSS | EPSS | Exploited | Fix |
|---|---|---|---|---|---|
| CVE-2022-26138 | Critical | 9.8 | 98% | KEV | - |
| CVE-2024-3272 | Critical | 9.8 | 98% | KEV | - |
| CVE-2019-15975 | Critical | 9.8 | 96% | - | Fix |
| CVE-2025-30406 | Critical | 9.0 | 94% | KEV | Fix |
| CVE-2024-28987 | Critical | 9.1 | 93% | KEV | Fix |
| CVE-2019-15976 | Critical | 9.8 | 93% | - | Fix |
Common questions
How do I fix CVE-2021-44207?
No published fix for CVE-2021-44207 has been found yet. It is on the CISA Known Exploited Vulnerabilities list; federal agencies must remediate by 2025-01-13. Apply the vendor's mitigations per CISA's guidance.
Is CVE-2021-44207 being actively exploited?
Yes. CVE-2021-44207 is listed in the CISA Known Exploited Vulnerabilities catalog, which means exploitation has been observed in the wild. US federal agencies were required to remediate it by 2025-01-13. Treat it as a priority whatever its CVSS score says.
How severe is CVE-2021-44207?
CVE-2021-44207 has a CVSS v3 base score of 8.1, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-11-10.