Is CVE-2023-48387 actively exploited?

No active exploitation of CVE-2023-48387 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-48387 be exploited remotely?

Yes. CVE-2023-48387 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2023-48387?

CVE-2023-48387 has a CVSS score of 8.8 (HIGH).

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HIGH

CVE-2023-48387

CWE-940Published: December 15, 2023· Updated: Jun 17, 2026

8.8

CVSS v3.1

Official Description

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.

NVD Source

Technical Analysis

CVE-2023-48387 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.