Is CVE-2019-12156 in the CISA KEV catalog?

No. CVE-2019-12156 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2019-12156?

CVE-2019-12156 has a CVSS v3 base score of 5.3 (MEDIUM).

What is the EPSS score for CVE-2019-12156?

CVE-2019-12156 has an EPSS score of 0.90% (55th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2019-12156?

Upgrade upsource to 2018.2.1290 or later.

CVE & CISA-KEV Catalog

CVE-2019-12156

MEDIUM

5.3

CVSS v3

NVD

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.

CWE-209

How to fix

Remediation Available

upsourceNVD

Affected:< 2018.2.1290Fixed in:2018.2.1290CVE-2019-12156derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityNone

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Exploit Intelligence

0.90%probability of exploitation in 30 days

55thpercentile

Moderate risk: more likely to be exploited than 55% of all known CVEs.

References

Vendor Advisory1

blog.jetbrains.com

Related Vulnerabilities

Other CWE-209 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-29059	High	7.5	99%	KEV	-
CVE-2021-22145	Medium	6.5	76%	-	-
CVE-2010-3332	Medium	6.4	67%	-	-
CVE-2025-62168	Critical	10.0	63%	-	Fix
CVE-2013-7331	Medium	6.5	58%	KEV	-
CVE-2025-47813	Medium	4.3	56%	KEV	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.