Injection in YouTrack - CVE-2021-43185
Published: November 8, 2021
Vulnerability identifier: #VU58012
CSH Severity: Medium
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-43185
CWE-ID: CWE-74
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform spoofing attack.
The vulnerability exists due to improper validation of HTTP headers. A remote attacker can inject arbitrary Host header and perform spoofing attack.
Affected software
YouTrack
How to mitigate CVE-2021-43185
Install updates from vendor's website.
YouTrack - update to 2021.3.23639