CVE-2021-44207: Acclaim Systems USAHERDS Use of Hard-Coded Credentials Vulnerability

Q: How do I fix CVE-2021-44207?

usaherds: upgrade to newer than 7.4.0.1. Exact commands for each OS are on this page.

Q: Is CVE-2021-44207 being exploited?

Yes. CVE-2021-44207 is on the CISA Known Exploited Vulnerabilities list, so treat it as patch-now.

Q: What does CVE-2021-44207 affect?

CVE-2021-44207 affects usaherds. Severity is high (CVSS 8.1). Acclaim USAHERDS through 7.4.0.1 uses hard-coded credentials.

Q: How urgent is CVE-2021-44207?

Priority 83/100. High severity; EPSS top 3%: very likely to be exploited; Exploited in the wild (CISA KEV); Remotely exploitable, no login, no user action

Patch now

HIGH 8.1EXPLOITEDREMOTEUPGRADE

CVE-2021-44207 is a high-severity flaw (CVSS 8.1) affecting usaherds, reported as exploited in the wild. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Acclaim USAHERDS through 7.4.0.1 uses hard-coded credentials.

Why this priority

High severity
EPSS top 3%: very likely to be exploited
Exploited in the wild (CISA KEV)
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	8.1 (High)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	None
User interaction	None
EPSS exploit chance	17.6% (top 3%)
CISA exploited list	Yes, fix due 2025-01-13
Weakness	CWE-798
Published	2021-12-21
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: acclaimsystems

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2021-12-21 18:15 UTCPublished CVE record published
2024-12-23Exploited Added to the CISA Known Exploited Vulnerabilities list
2025-01-13Deadline CISA due date for US federal agencies to patch
2026-06-17 04:12 UTCUpdated Record last modified

acclaimsystems usaherds UPGRADE

Affected: <= 7.4.0.1

Fixed in: newer than 7.4.0.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy usaherds || rpm -q usaherds || usaherds --version

2. UPGRADE to newer than 7.4.0.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade usaherds

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade usaherds

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Exact fixes by distribution

Fedora 46 · nemo · FIXED · 6.8.0-1.fc46 · FEDORA-2026-0edead723f · source

sudo dnf upgrade --advisory=FEDORA-2026-0edead723f

Fedora ELN · composer · FIXED · 2.11.1-1.eln159 · FEDORA-2026-cb4f992456 · source

sudo dnf upgrade --advisory=FEDORA-2026-cb4f992456

Verify at the official source NVD · CVE Program · CISA KEV catalog · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2021-44207?

usaherds: upgrade to newer than 7.4.0.1. Exact commands for each OS are on this page.

Is CVE-2021-44207 being exploited?

Yes. CVE-2021-44207 is on the CISA Known Exploited Vulnerabilities list, so treat it as patch-now.

What does CVE-2021-44207 affect?

CVE-2021-44207 affects usaherds. Severity is high (CVSS 8.1). Acclaim USAHERDS through 7.4.0.1 uses hard-coded credentials.

How urgent is CVE-2021-44207?

Priority 83/100. High severity; EPSS top 3%: very likely to be exploited; Exploited in the wild (CISA KEV); Remotely exploitable, no login, no user action

References

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