CVE-2023-48387 json
TAIWAN-CA(TWCA) JCICSecurityTool - Improper Input Validation
published 2023-12-15 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-52439
- cvss
- 8.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.0%
- EPSS 1.0% chance of exploitation in 30 days, percentile 63%
- public exploits
- 0
- none known
Summary
TAIWAN-CA(TWCA) JCICSecurityTool fails to check the source website and access locations when executing multiple Registry-related functions. In the scenario where a user is using the JCICSecurityTool and has completed identity verification, if the user browses a malicious webpage created by an attacker, the attacker can exploit this vulnerability to read or modify any registry file under HKEY_CURRENT_USER, thereby achieving remote code execution.
Exploit prediction
1.03% chance of exploitation in the next 30 days, higher than 63% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
Affected products
- TAIWAN-CA(TWCA) JCICSecurityTool
Classification
- Weakness
-
- CWE-940 Improper Verification of Source of a Communication Channel
References
-
twcert.org.tw
/tw/cp-132-7602-a47a2-1.html
third-party-advisory
Sources
- CVE List CVE-2023-48387
- NVD CVE-2023-48387
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