CVE-2024-40720 — HIGH (8.8)

Q: How severe is CVE-2024-40720?

CVE-2024-40720 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2024-40720?

Check the references section above for vendor advisories and patch information. Affected products include: Changingtec Tcb Servisign.

Vulnerability 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.

CVSS Score

8.8

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Changingtec	Tcb Servisign	< 1.0.24.0318

Related Weaknesses (CWE)

CWE-20

References

https://www.twcert.org.tw/en/cp-139-7971-d9584-2.htmlThird Party Advisory
https://www.twcert.org.tw/tw/cp-132-7965-8285d-1.htmlThird Party Advisory

FAQ

What is CVE-2024-40720?

CVE-2024-40720 is a vulnerability with a CVSS score of 8.8 (HIGH). 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 attacke...

How severe is CVE-2024-40720?

CVE-2024-40720 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2024-40720?

Check the references section above for vendor advisories and patch information. Affected products include: Changingtec Tcb Servisign.