CVE-2022-35222
HiCOS Citizen verification component - Stack Buffer Overflow
- Published
- Updated
- Reserved
- Assigned by
- twcert
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.
Timeline
ID reserved
By twcert
- 28 days later
· 28 days later
Published
- 2 years later
· 2 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| twcertCNA (assigner) | 3.1 | Medium6.8 | CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Modified | 3.1 | Medium6.8 | CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.38% · top 68% of all CVEs (7 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.8.
Weakness
Affected products
HINET · HiCOS Citizen verification component - Stack Buffer Overflow
- affected libHicos_p11v1.so CHT PKCS#11 3.0.3.30306
HINET · HiCOS Citizen verification component - Stack Buffer Overflow
- affected HiCOSPKCS11.dll CHT PKCS#11 3.1.0.00002
HINET · HiCOS Citizen verification component - Stack Buffer Overflow
- affected libHicos_p11v1.dylib CHT PKCS#11 3.0.3.30404
What to do
Solution: Download the latest version
References (1)
- https://www.twcert.org.tw/tw/cp-132-6363-f5ec2-1.html (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2022-35222)Record last updated .