CVE-2021-44207
Acclaim Systems USAHERDS Use of Hard-Coded Credentials Vulnerability
Acclaim Systems USAHERDS
Acclaim USAHERDS through 7.4.0.1 uses hard-coded credentials.
Exploitation status
CISA Known Exploited Vulnerabilities
Listed by CISA on 23 December 2024. US federal agencies were required to remediate it by 13 January 2025.
EPSS — exploitation probability
FIRST puts the probability of exploitation activity in the next 30 days at 17.6%, which is higher than 97.2% of all scored vulnerabilities. EPSS is a forecast of activity, not a measure of severity, and it is rescored daily.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Frequently asked questions
Is CVE-2021-44207 being exploited by ransomware groups?
No ransomware group in this database is currently recorded as exploiting CVE-2021-44207.
What does CVE-2021-44207 affect?
CVE-2021-44207 affects Acclaim Systems USAHERDS. Acclaim USAHERDS through 7.4.0.1 uses hard-coded credentials.
How severe is CVE-2021-44207?
CVE-2021-44207 is rated HIGH with a CVSS base score of 8.1. EPSS puts the probability of exploitation in the next 30 days at 17.6%, higher than 97.2% of all scored vulnerabilities. It is listed in the CISA Known Exploited Vulnerabilities catalog, with a federal remediation deadline of 13 January 2025.
How should organisations respond to CVE-2021-44207?
Apply the vendor patch for Acclaim Systems USAHERDS as the first priority, and treat any internet-facing instance as the most urgent. Because this vulnerability is associated with ransomware activity, also review whether the affected systems were reachable before patching, rather than assuming that patching alone closes the incident.