// For flags

CVE-2024-40721

CHANGING Information Technology TCBServiSign Windows Version - Improper Input Validation

Severity Score

8.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Track*
*SSVC
Descriptions

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 cause the TCBServiSign to load a DLL from an arbitrary path.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
* Common Vulnerability Scoring System
SSVC
  • Decision:Track*
Exploitation
None
Automatable
No
Tech. Impact
Total
* Organization's Worst-case Scenario
Timeline
  • 2024-07-09 CVE Reserved
  • 2024-08-02 CVE Published
  • 2024-08-02 CVE Updated
  • 2024-08-10 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-20: Improper Input Validation
CAPEC
  • CAPEC-251: Local Code Inclusion
References (2)
URL Tag Source
https://www.twcert.org.tw/tw/cp-132-7966-8c6c3-1.html Third Party Advisory
https://www.twcert.org.tw/en/cp-139-7972-01a6e-2.html Third Party Advisory
URL Date SRC
URL Date SRC
URL Date SRC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
CHANGING Information Technology
Search vendor "CHANGING Information Technology"
 TCBServiSign Windows Version
Search vendor "CHANGING Information Technology" for product "TCBServiSign Windows Version"
 < 1.0.24.0318
Search vendor "CHANGING Information Technology" for product "TCBServiSign Windows Version" and version " < 1.0.24.0318"
en
Affected