What’s Vulnerable › Vulnerabilities

CVE-2019-18364

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-10-31 · updated 2026-06-17
• Weakness: CWE-502

Description

In JetBrains TeamCity before 2019.1.4, insecure Java Deserialization could potentially allow remote code execution.

Affected products

• JetBrains TeamCity: before 2019.1.4 — fixed in 2019.1.4

How to fix

Upgrade to a fixed version: JetBrains TeamCity 2019.1.4. Check the vendor advisory for mitigations.

References

• https://blog.jetbrains.com/blog/2019/10/29/jetbrains-security-bulletin-q3-2019/
• https://blog.jetbrains.com/blog/2019/10/29/jetbrains-security-bulletin-q3-2019/

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