CVE-2019-15038 — An issue was discovered in JetBrains TeamCity 2018

An issue was discovered in JetBrains TeamCity 2018.2.4. The TeamCity server was not using some security-related HTTP headers. The issue was fixed in TeamCity 2019.1.

01What is this vulnerability?

An issue was discovered in JetBrains TeamCity 2018.2.4. The TeamCity server was not using some security-related HTTP headers. The issue was fixed in TeamCity 2019.1.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2019-10-01T15:46:08.000Z
• Last modified: 2024-08-05T00:34:53.164Z

09References

• blog.jetbrains.com — https://blog.jetbrains.com/blog/2019/09/26/jetbrains-security-bulletin-q2-2019/