AUGUST 4, 2026
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Case File

CVE-2021-37909

CRITICAL · CVSS 9.8 EPSS 2.01%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-09-15 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.8. It may be remotely exploitable.

CVE
CVE-2021-37909
Severity
CRITICAL
CVSS
9.8
EPSS
2.01%

Original NVD 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.