Code Injection in TeamCity - CVE-2021-43197
Published: November 8, 2021
Vulnerability identifier: #VU58005
CSH Severity: Low
CVSS v4: 2.1 [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]
CVE-ID: CVE-2021-43197
CWE-ID: CWE-94
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
TeamCity
How to mitigate CVE-2021-43197
Install updates from vendor's website.
TeamCity - update to 2021.1.2