VULNERABILITY INTELLIGENCE
CVE-2024-40720
CVSS score8.8 HIGH
EPSS probability0.59%
CISA KEVNot currently listed
Published2024-08-02
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Description
The specific API in TCBServiSign Windows Version from CHANGING Information Technology does not properly validate server-side input. When a user visits a spoofed website, unauthenticated remote attackers can modify the `HKEY_CURRENT_USER` registry to execute arbitrary commands.
Weakness classification
- CWE-20: Improper Input Validation
Primary references
- twcert@cert.org.tw — Third Party Advisory
- twcert@cert.org.tw — Third Party Advisory