Improper Neutralization of Special Elements in Output Used by a Downstream Component in TeamCity - CVE-2019-12843
Published: July 3, 2019 / Updated: July 17, 2020
Vulnerability identifier: #VU31021
CSH Severity: Medium
CVSS v4.0: 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/E:U/U:Green
CVE-ID: CVE-2019-12843
CWE-ID: CWE-74
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: JetBrains s.r.o.
Affected software:
TeamCity
TeamCity
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to read and manipulate data.
A possible stored JavaScript injection requiring a deliberate server administrator action was detected. The issue was fixed in JetBrains TeamCity 2018.2.3.
How to mitigate CVE-2019-12843
Install update from vendor's website.