CVE-2021-37909

WriteRegistry function in TSSServiSign component does not filter and verify users input, remote attackers can rewrite to the registry without permissions thus perform hijack attacks to execute arbitrary code.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
twcertCNA
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 82%
VendorProductVersion
tssservisignadapter_projecttssservisignadapter
𝑥
≤ 1.0.20.0316
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://www.twcert.org.tw/tw/cp-132-5093-76f04-1.html
https://www.twcert.org.tw/tw/cp-132-5093-76f04-1.html