CVE-2024-40721 json
CHANGING Information Technology TCBServiSign Windows Version - Improper Input Validation
published 2y ago modified 4mo ago also EUVD-2024-38586
- cvss
- 8.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.6%
- EPSS 0.6% chance of exploitation in 30 days, percentile 47%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- CHANGING Information Technology TCBServiSign Windows Version 1.0.24.0318
- changingtec servisign 1.0.24.0318
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Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 2y ago
Exploit prediction
0.56% chance of exploitation in the next 30 days, higher than 47% of all scored CVEs (FIRST EPSS, 2026-11-11).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
Affected products
- CHANGING Information Technology TCBServiSign Windows Version
- changingtec servisign
Classification
- Weakness
-
- CWE-20 Improper Input Validation
References
-
twcert.org.tw
/tw/cp-132-7966-8c6c3-1.html
third-party-advisory
-
twcert.org.tw
/en/cp-139-7972-01a6e-2.html
third-party-advisory
Sources
- CVE List CVE-2024-40721
- NVD CVE-2024-40721
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.