Code Injection in TeamCity - CVE-2021-43197

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Main Vulnerability Database Vulnerabilities #VU58005

Code Injection in TeamCity - CVE-2021-43197

Published: November 8, 2021


Vulnerability identifier: #VU58005
CSH Severity: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-43197
CWE-ID: CWE-94
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
TeamCity
Software vendor:
JetBrains s.r.o.

Description

The vulnerability allows a remote attacker to execute arbitrary HTML code on the target system.

The vulnerability exists due to improper input validation in email notifications. A remote attacker can execute arbitrary HTML code in the email client when reading the message.


Remediation

Install updates from vendor's website.

External links