cve.bz

CVE-2021-45918

7.5 highEPSS 1.5%

High (7.5) in nhi health insurance web service component. EPSS 1.5% chance of exploitation in the next 30 days.

NHI’s health insurance web service component has insufficient validation for input string length, which can result in heap-based buffer overflow attack. A remote attacker can exploit this vulnerability to flood the memory space reserved for the program, in order to terminate service without authentication, which requires a system restart to recover service.

Severity

CVSS 3.1

7.5 high
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
1.5% chance of exploitation in the next 30 days; higher than 74% of CVEs (scores of 2026-10-31)
CWEs
CWE-1284, CWE-122
Published
Modified
Record from
the NVD, synced

Affected

References

Check your stackJSON