CVE-2021-37909 — CRITICAL (9.8)

Q: How severe is CVE-2021-37909?

CVE-2021-37909 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Q: Is there a patch for CVE-2021-37909?

Check the references section above for vendor advisories and patch information. Affected products include: Tssservisignadapter Project Tssservisignadapter.

Vulnerability 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.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Tssservisignadapter Project	Tssservisignadapter	<= 1.0.20.0316

Related Weaknesses (CWE)

CWE-20

References

https://www.twcert.org.tw/tw/cp-132-5093-76f04-1.htmlThird Party Advisory
https://www.twcert.org.tw/tw/cp-132-5093-76f04-1.htmlThird Party Advisory

FAQ

What is CVE-2021-37909?

CVE-2021-37909 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 arbitr...

How severe is CVE-2021-37909?

CVE-2021-37909 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2021-37909?

Check the references section above for vendor advisories and patch information. Affected products include: Tssservisignadapter Project Tssservisignadapter.