What’s Vulnerable › Vulnerabilities

CVE-2022-35218: NHI card’s web service component - Heap-based Buffer Overflow

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-08-02 · updated 2026-06-17
• Weakness: CWE-787

Description

The NHI card’s web service component has a heap-based buffer overflow vulnerability due to insufficient validation for packet origin parameter length. A LAN attacker with general user privilege can exploit this vulnerability to disrupt service.

Affected products

• NHI health insurance web service component: all versions

References

• https://www.twcert.org.tw/tw/cp-132-6354-1cf61-1.html
• https://www.twcert.org.tw/tw/cp-132-6354-1cf61-1.html

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