PT-2021-21900 · Unknown · Tssservisign

Angelboy · Published 2021-09-15 · Updated 2021-09-28 · CVE-2021-37909

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions: TSSServiSign (affected versions not specified)

Description: The issue concerns the WriteRegistry function in the TSSServiSign component, which fails to filter and verify users' input. This allows remote attackers to rewrite the registry without necessary permissions, potentially leading to hijack attacks that execute arbitrary code.

Recommendations: At the moment, there is no information about a newer version that contains a fix for this vulnerability.

RCE

Weakness Enumeration

CWE-20

Related Identifiers

CVE-2021-37909

Affected Products

Tssservisign

References · 5

• https://osv.dev/vulnerability/CVE-2021-37909 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-37909 · Security Note
• https://twcert.org.tw/tw/cp-132-5093-76f04-1.html · Note
• https://t.me/cvenotify/20928 · Telegram Post
• https://t.me/cvenotify/20908 · Telegram Post