8.8
HIGH
CVE-2023-48387
TAIWAN-CA JCICSecurityTool Registry Access Bypass Remote Code Execution
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.

INFO

Published Date :

Dec. 15, 2023, 9:15 a.m.

Last Modified :

Nov. 21, 2024, 8:31 a.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

2.8
Affected Products

The following products are affected by CVE-2023-48387 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Twca jcicsecuritytool
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2023-48387.

URL Resource
https://www.twcert.org.tw/tw/cp-132-7602-a47a2-1.html Third Party Advisory
https://www.twcert.org.tw/tw/cp-132-7602-a47a2-1.html Third Party Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2023-48387 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2023-48387 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://www.twcert.org.tw/tw/cp-132-7602-a47a2-1.html
  • CVE Modified by [email protected]

    Oct. 14, 2024

    Action Type Old Value New Value
    Changed 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. 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.
    Added CWE TWCERT/CC CWE-940
    Removed CWE TWCERT/CC CWE-20
  • Modified Analysis by [email protected]

    Oct. 03, 2024

    Action Type Old Value New Value
    Removed CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
    Removed CWE NIST CWE-79
    Added CWE NIST NVD-CWE-noinfo
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Jan. 31, 2024

    Action Type Old Value New Value
    Changed Description TAIWAN-CA(TWCA) JCICSecurityTool's Registry-related functions have insufficient filtering for special characters. An unauthenticated remote attacker can inject malicious script into a webpage to perform XSS (Stored Cross-Site Scripting) attack. 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.
    Added CWE TWCERT/CC CWE-20
    Removed CWE TWCERT/CC CWE-79
    Removed CVSS V3.1 TWCERT/CC AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
    Added CVSS V3.1 TWCERT/CC AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
  • Initial Analysis by [email protected]

    Dec. 22, 2023

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
    Changed Reference Type https://www.twcert.org.tw/tw/cp-132-7602-a47a2-1.html No Types Assigned https://www.twcert.org.tw/tw/cp-132-7602-a47a2-1.html Third Party Advisory
    Added CWE NIST CWE-79
    Added CPE Configuration OR *cpe:2.3:a:twca:jcicsecuritytool:4.2.3.32:*:*:*:*:*:*:*
  • CVE Received by [email protected]

    Dec. 15, 2023

    Action Type Old Value New Value
    Added Description TAIWAN-CA(TWCA) JCICSecurityTool's Registry-related functions have insufficient filtering for special characters. An unauthenticated remote attacker can inject malicious script into a webpage to perform XSS (Stored Cross-Site Scripting) attack.
    Added Reference TWCERT/CC https://www.twcert.org.tw/tw/cp-132-7602-a47a2-1.html [No types assigned]
    Added CWE TWCERT/CC CWE-79
    Added CVSS V3.1 TWCERT/CC AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2023-48387 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2023-48387 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

1.72 }} 0.45%

score

0.81365

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
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Latest DB Update: Jun. 08, 2025 18:03