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CVE-2023-48387

HIGHCVSS 8.8/10EPSS 1.03%

Last modified

CVE-2023-48387 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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.. EPSS estimates a 1.03% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
8.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Probability
1.03%

59.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
TwcaJcicsecuritytool4.2.3.32

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2023-48387?
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.
How severe is CVE-2023-48387?
CVE-2023-48387 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.03% probability of exploitation in the next 30 days.
How do I fix CVE-2023-48387?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST