TI-2021-15669 CVE-2021-37909 · GHSA-7wg8-6xc4-8gfwCHANGING Inc. TSSServiSignAdapter Windows Versions - Improper Input ValidationPriority MEDIUM 46WriteRegistry 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.CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.02007 · Published 2021-09-15 · No fix listed CWE-20