CVE-2022-35218: The NHI card’s web service component has a heap-based buffer overflow vulnerability due to insufficient valida

Routine

MEDIUM 5.5MITIGATE

CVE-2022-35218 is a medium-severity flaw (CVSS 5.5) affecting health insurance web service component. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

No elevated risk signals yet

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	5.5 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.2% (top 92%)
CISA exploited list	No
Weakness	CWE-787, CWE-770
Published	2022-08-02
Last modified	2026-06-17

Publisher (CNA): TWCERT/CC · Vendor: nhi

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2022-08-02 16:15 UTCPublished CVE record published
2026-06-17 04:51 UTCUpdated Record last modified

nhi health insurance web service component MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy health-insurance-web-service-component || rpm -q health-insurance-web-service-component || health-insurance-web-service-component --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2022-35218?

health insurance web service component: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2022-35218 being exploited?

CVE-2022-35218 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2022-35218 affect?

CVE-2022-35218 affects health insurance web service component. Severity is medium (CVSS 5.5). 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 serv

How urgent is CVE-2022-35218?

Priority 21/100. No elevated risk signals yet.

Related CVEs

CVE-2022-35219 MEDIUM 5.5 MITIGATE The NHI card’s web service component has a stack-based buffer overflow vulnerability due to insufficient valid
CVE-2022-35217 HIGH 7.8 MITIGATE The NHI card’s web service component has a stack-based buffer overflow vulnerability due to insufficient valid
CVE-2021-45918 HIGH 7.5 MITIGATE NHI’s health insurance web service component has insufficient validation for input string length, which can re

References

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