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.
Conclusion & alert: CVE-2022-35222 is rated Low Risk (33.1/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.05%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2025-05-29 | 0.04% | 0.05% | +0.01% |
| 2 | 2025-03-30 | 0.13% | 0.04% | -0.09% |
| 3 | 2025-03-29 | — | 0.13% | — |
Full EPSS history (6 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.8 | 3.1 | MEDIUM |
|
0.9 | 5.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| hinet | hicos_natural_person_credential_component_client | 3.0.3.30306 | cpe:2.3:a:hinet:hicos_natural_person_credential_component_client:3.0.3.30306:*:*:*:*:linux:*:* |
| hinet | hicos_natural_person_credential_component_client | 3.0.3.30404 | cpe:2.3:a:hinet:hicos_natural_person_credential_component_client:3.0.3.30404:*:*:*:*:macos:*:* |
| hinet | hicos_natural_person_credential_component_client | 3.1.0.00002 | cpe:2.3:a:hinet:hicos_natural_person_credential_component_client:3.1.0.00002:*:*:*:*:windows:*:* |
| URL | Tags |
|---|---|
| https://www.twcert.org.tw/tw/cp-132-6363-f5ec2-1.html | Third Party Advisory |