CVE-2024-40719

The encryption strength of the authorization keys in CHANGING Information Technology TCBServiSign Windows Version is insufficient. When a remote attacker tricks a victim into visiting a malicious website, TCBServiSign will treat that website as a legitimate server and interact with it.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
6.5 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
twcertCNA
6.5 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
CISA-ADPADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 9%
VendorProductVersion
changingtectcb_servisign
𝑥
< 1.0.24.0318
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://www.twcert.org.tw/en/cp-139-7970-e8ac5-2.html
https://www.twcert.org.tw/tw/cp-132-7964-5b266-1.html