CVE-2021-44207

HIGHNVD 8.19.0▲Trending — 4 sources updated this weekExploited in the wild

8.1

Acclaim USAHERDS through 7.4.0.1 uses hard-coded credentials.

CVSS v3: 8.1
EG Score: 9.0(high)
EPSS: 92.7%
KEV: ⚠ Exploited

Published

December 21, 2021

Last Modified

November 10, 2025

Advisory Details (3)

Auto-updated Jun 3, 2026

⚠️ Active exploitation confirmed. Patch available. Sources: cisa.

cisa Patch Available🔴 Active Exploitation

Known Exploited Vulnerabilities Catalog | CISA

Known Exploited Vulnerabilities Catalog | CISA. Listed in CISA Known Exploited Vulnerabilities catalog.

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-44207

generic

Acclaim Systems Home

https://www.acclaimsystems.com

generic

Vulnerability-Disclosures/MNDT-2021-0012/MNDT-2021-0012.md at master · mandiant/Vulnerability-Disclosures · GitHub

https://github.com/mandiant/Vulnerability-Disclosures/blob/master/MNDT-2021-0012/MNDT-2021-0012.md

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-798Use of Hard-coded Credentials

Data Freshness Timeline

(refreshed 20× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-04 14:21 UTCEG score recompute
2026-06-04 14:21 UTCGHSA enrichment
2026-06-04 13:10 UTCepss_batch
2026-06-04 13:10 UTCepss_batch
2026-06-04 10:36 UTCEG score recompute
2026-06-04 10:36 UTCGHSA enrichment
2026-06-04 06:51 UTCEG score recompute
2026-06-04 06:51 UTCGHSA enrichment
2026-06-04 03:06 UTCEG score recompute
2026-06-04 03:06 UTCGHSA enrichment
2026-06-03 23:21 UTCEG score recompute
2026-06-03 23:21 UTCGHSA enrichment
2026-06-03 19:36 UTCEG score recompute
2026-06-03 19:36 UTCGHSA enrichment
2026-06-03 19:09 UTCkev_newly_listed
2026-06-03 15:51 UTCEG score recompute
2026-06-03 15:51 UTCGHSA enrichment
2026-06-03 12:06 UTCEG score recompute
2026-06-03 12:06 UTCGHSA enrichment
2026-06-03 08:21 UTCEG score recompute

Frequently asked(6)

What is CVE-2021-44207?

CVE-2021-44207 is a high vulnerability published on December 21, 2021. Acclaim USAHERDS through 7.4.0.1 uses hard-coded credentials.

When was CVE-2021-44207 disclosed?

CVE-2021-44207 was first published in the National Vulnerability Database on December 21, 2021, with the most recent update on November 10, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2021-44207 actively exploited?

Yes. CISA added CVE-2021-44207 to the Known Exploited Vulnerabilities catalog on December 23, 2024, affecting Acclaim Systems USAHERDS. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.

What is the CVSS score of CVE-2021-44207?

CVE-2021-44207 has a CVSS v3 base score of 8.1 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0.

Which products are affected by CVE-2021-44207?

CVE-2021-44207 affects Acclaim Systems USAHERDS. The full affected-products list, including version ranges and fixed versions, is shown in the Affected Packages section of this page.

How do I remediate CVE-2021-44207?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-44207, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2021-44207

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Is Your Infrastructure Affected by CVE-2021-44207?

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CVE-2021-44207

📅 Published

🔄 Last Modified

📋 Advisory Details (3)