What is CVE-2021-37909?

CVE-2021-37909 is a critical-severity vulnerability in Changing Inc. Tssservisignadapter, classified under Improper Input Validation. CVSS score: 9.8/10. Published 2021-09-15.

How severe is CVE-2021-37909?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Improper input validation in Changing Inc. Tssservisignadapter

CVE-2021-37909

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.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.020 (79.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Changing Inc. Tssservisignadapter — versions unspecified
Tssservisignadapter_project Tssservisignadapter

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

twcert@cert.org.tw (Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-37909?: CVE-2021-37909 is a critical-severity vulnerability in Changing Inc. Tssservisignadapter, classified under Improper Input Validation. CVSS score: 9.8/10. Published 2021-09-15.
How severe is CVE-2021-37909?: Critical severity. CVSS v3 base score is 9.8 out of 10.