CVE-2019-12156
5.3 · MEDIUMOverview
CVE-2019-12156 is a medium-severity vulnerability affecting jetbrains upsource. It was published on October 2, 2019 and has a CVSS 3.1 base score of 5.3 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 5.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
Server metadata could be exposed because one of the error messages reflected the whole response back to the client in JetBrains TeamCity versions before 2018.2.5 and UpSource versions before 2018.2 build 1293.
Remediation
Check the references section for vendor advisories and patches from jetbrains. Update upsource to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| jetbrains | upsource | >= 0, < 2018.2.1290 | Affected |
Frequently Asked Questions
What is CVE-2019-12156?
CVE-2019-12156 is a medium-severity vulnerability affecting jetbrains upsource. It was published on October 2, 2019 and has a CVSS 3.1 base score of 5.3 (MEDIUM).
How severe is CVE-2019-12156?
This vulnerability has a CVSS 3.1 base score of 5.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2019-12156?
Check the references section for vendor advisories and patches from jetbrains. Update upsource to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2019-12156?
CyberStrike's AI-powered security agents can automatically detect CVE-2019-12156 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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