VulnerabilityAnalyzed

CVE-2024-40721

When a user visits a spoofed website, unauthenticated remote attackers can cause the TCBServiSign to load a DLL from an arbitrary path.

HIGH 8.8EPSS 0.56%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.56%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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

CVSS 3.1: 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS: 0.56% probability · 45th percentile
CISA KEV: Not listed
Weakness: CWE-20
Affected: changingtec/tcb servisign
Source: twcert@cert.org.tw

References

https://www.twcert.org.tw/en/cp-139-7972-01a6e-2.htmlThird Party Advisory
https://www.twcert.org.tw/tw/cp-132-7966-8c6c3-1.htmlThird Party Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.