How severe is CVE-2022-35222?

CVE-2022-35222 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-35222 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-35222?

CVE-2022-35222 primarily affects Hinet Hicos Natural Person Credential Component Client. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-35222?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2022-35222 published?

CVE-2022-35222 was published on 2022-08-02 and last updated on 2026-06-17.

CVE-2022-35222

CVE-2022-35222 is a medium-severity vulnerability in Hinet Hicos Natural Person Credential Component Client with a CVSS 3.x base score of 6.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.

Key facts

Severity: Medium (CVSS 3.x base score 6.8)
EPSS exploit prediction: 0% (28th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Hinet Hicos Natural Person Credential Component Client
Published: 2022-08-02
Last modified: 2026-06-17

Description

HiCOS Citizen verification component has a stack-based buffer overflow vulnerability due to insufficient parameter length validation. An unauthenticated physical attacker can exploit this vulnerability to execute arbitrary code, manipulate system command or disrupt service.

Frequently asked questions

What is CVE-2022-35222?: HiCOS Citizen verification component has a stack-based buffer overflow vulnerability due to insufficient parameter length validation. An unauthenticated physical attacker can exploit this vulnerability to execute arbitrary code, manipulate system command or disrupt service.
How severe is CVE-2022-35222?: CVE-2022-35222 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-35222 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-35222?: CVE-2022-35222 primarily affects Hinet Hicos Natural Person Credential Component Client. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-35222?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-35222 published?: CVE-2022-35222 was published on 2022-08-02 and last updated on 2026-06-17.

References

https://www.twcert.org.tw/tw/cp-132-6363-f5ec2-1.html

Affected products (3)

cpe:2.3:a:hinet:hicos_natural_person_credential_component_client:3.0.3.30306:*:*:*:*:linux:*:*
cpe:2.3:a:hinet:hicos_natural_person_credential_component_client:3.0.3.30404:*:*:*:*:macos:*:*
cpe:2.3:a:hinet:hicos_natural_person_credential_component_client:3.1.0.00002:*:*:*:*:windows:*:*

More vulnerabilities in Hinet Hicos Natural Person Credential Component Client

CVE-2022-32962 — Medium (CVSS 6.8): HiCOS’ client-side citizen certificate component has a double free vulnerability. An unauthenticated physical…
CVE-2022-32961 — Medium (CVSS 6.8): HICOS’ client-side citizen digital certificate component has a stack-based buffer overflow vulnerability when reading…
CVE-2022-32960 — Medium (CVSS 6.8): HiCOS’ client-side citizen digital certificate component has a stack-based buffer overflow vulnerability when reading…
CVE-2022-32959 — Medium (CVSS 6.8): HiCOS’ client-side citizen digital certificate component has a stack-based buffer overflow vulnerability when reading…

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