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HIGH · 7.5

CVE-2021-45918

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 vulnerabilit...

Vulnerability Description

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.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
NhiHealth Insurance Web Service Component-

Related Weaknesses (CWE)

CWE-1284CWE-122

References

FAQ

What is CVE-2021-45918?

CVE-2021-45918 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 vulnerabilit...

How severe is CVE-2021-45918?

CVE-2021-45918 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-45918?

Check the references section above for vendor advisories and patch information. Affected products include: Nhi Health Insurance Web Service Component.