Exploited vulnerability · CISA KEV

Is CVE-2021-44207 exploited? Yes: in CISA KEV since 23 Dec 2024

Gociux · Acclaim Systems USAHERDS · data: CISA KEV, CVE record, FIRST EPSS

Yes. CVE-2021-44207, Acclaim Systems USAHERDS Use of Hard-Coded Credentials Vulnerability , is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 23 Dec 2024, 1098 days after it was published. It affects Acclaim Systems USAHERDS. If you run it, CISA's required action is: 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.

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.

What to do

1. Check whether you run it. Look for USAHERDS in your asset inventory, including appliances and cloud images. Stack check lists every exploited Acclaim Systems CVE at once.
2. Apply the fix. 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.
3. If you can't patch today, take the affected service off the internet or restrict who can reach it, and check its logs for signs of compromise since 21 Dec 2021.
4. Get told next time. Email alerts when CISA adds a CVE for Acclaim Systems.

References

• www.acclaimsystems.com/
• www.tnatc.org/
• nvd.nist.gov/vuln/detail/CVE-2021-44207

Sources: CISA KEV (exploitation, ransomware use, required action, due date), the CVE record (publication date, CVSS, CNA), NVD and FIRST EPSS (live score). More: all KEV additions in December 2024 · act-now radar.