CVE-2021-45918
Last modified
CVE-2021-45918 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 1.39% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Nhi | Health Insurance Web Service Component | All versions |
References
- https://www.twcert.org.tw/tw/cp-132-6227-eaf49-1.htmlThird Party Advisory
- https://www.twcert.org.tw/tw/cp-132-6227-eaf49-1.htmlThird Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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