Incorrect handling of user input in ZIP extraction was detected in JetBrains TeamCity.

published 2019-07-03 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-4421

cvss: 7.5; version 3.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.1%; EPSS 1.1% chance of exploitation in 30 days, percentile 66%
public exploits: 0; none known

Incorrect handling of user input in ZIP extraction was detected in JetBrains TeamCity. The issue was fixed in TeamCity 2018.2.2.

Patch / fix

fixed in 1

jetbrains teamcity 2018.2.2

Exploit prediction

1.14% chance of exploitation in the next 30 days, higher than 66% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
NVD	3.0	7.5	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
NVD	2.0	5.0	AV:N/AC:L/Au:N/C:N/I:P/A:N

Classification

Weakness

CWE-20 Improper Input Validation

References

blog.jetbrains.com /blog/2019/06/19/jetbrains-security-bulletin-q1-2019/
vendor-advisory

Sources

CVE List CVE-2019-12841
NVD CVE-2019-12841

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary