What’s Vulnerable › Vulnerabilities

CVE-2020-15831

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-08-08 · updated 2026-06-17
• Weakness: CWE-79

Description

JetBrains TeamCity before 2019.2.3 is vulnerable to reflected XSS in the administration UI.

Affected products

• JetBrains TeamCity: before 2019.2.3 — fixed in 2019.2.3

How to fix

Upgrade to a fixed version: JetBrains TeamCity 2019.2.3. Check the vendor advisory for mitigations.

References

• https://blog.jetbrains.com
• https://blog.jetbrains.com/blog/2020/08/06/jetbrains-security-bulletin-q2-2020/
• https://blog.jetbrains.com
• https://blog.jetbrains.com/blog/2020/08/06/jetbrains-security-bulletin-q2-2020/

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