CVE-2021-45918

NHI’s health insurance web service component – Heap-based Buffer Overflow

HIGH
7.5
CVSS Score
Published: June 20, 2022 at 05:30 AM UTC
Updated: June 17, 2026 at 04:14 AM UTC
1 product affected across 1 vendorHealth Insurance Web Service Component

Using health insurance web service component by NHI?

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Severity
HIGH7.5
Exploit prediction
EPSS 2%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

42fcc36541e716e23de77d5f325b186a515BE7DE5BCE446177FEE8A6E066509352EACB7CA2B4D0A5A869DF01079BF4D6

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

CVSS

7.5HIGHtwcert
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-122CWE-1284

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