CVE-2021-37909

CRITICAL 9.8CVE-2021-37909 · Published 15/09/2021 · updated 17/06/2026

In short

CVE-2021-37909 is a CRITICAL (CVSS 9.8) vulnerability affecting tssservisignadapter (tssservisignadapter project).
Chance of exploitation in the next 30 days (EPSS): 2.0%, higher than 81.0% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
tssservisignadapter tssservisignadapter_project	`≤ 1.0.20.0316`	No fix yet

Description

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.

References

twcert.org.tw/tw/cp-132-5093-76f04-1.html · Third Party Advisory

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