CVE-2021-37909

CHANGING Inc. TSSServiSignAdapter Windows Versions - Improper Input Validation

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.

Remediation

Solution:

  • Update to version 1.0.21.0520

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 1.84% Top 20%
Third-Party Advisory org.tw
Affected: CHANGING Inc. TSSServiSignAdapter
Published at:
Updated at:

References

Link Tags
https://www.twcert.org.tw/tw/cp-132-5093-76f04-1.html third party advisory

Frequently Asked Questions

What is the severity of CVE-2021-37909?
CVE-2021-37909 has been scored as a critical severity vulnerability.
How to fix CVE-2021-37909?
To fix CVE-2021-37909: Update to version 1.0.21.0520
Is CVE-2021-37909 being actively exploited in the wild?
It is possible that CVE-2021-37909 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-37909?
CVE-2021-37909 affects CHANGING Inc. TSSServiSignAdapter.
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