How severe is CVE-2024-56356?

CVE-2024-56356 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability none.

Is CVE-2024-56356 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-56356?

CVE-2024-56356 affects Jetbrains Teamcity. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-56356?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2024-56356 have an EU (EUVD) identifier?

Yes. CVE-2024-56356 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-53125.

When was CVE-2024-56356 published?

CVE-2024-56356 was published on 2024-12-20 and last updated on 2026-06-17.

CVE-2024-56356

CVE-2024-56356 is a medium-severity vulnerability in Jetbrains Teamcity with a CVSS 3.x base score of 5.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-611.

Key facts

Severity: Medium (CVSS 3.x base score 5.9)
EPSS exploit prediction: 0% (14th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-53125
Weakness: CWE-611
Affected product: Jetbrains Teamcity
Published: 2024-12-20
Last modified: 2026-06-17

Description

In JetBrains TeamCity before 2024.12 insecure XMLParser configuration could lead to potential XXE attack

Frequently asked questions

What is CVE-2024-56356?: In JetBrains TeamCity before 2024.12 insecure XMLParser configuration could lead to potential XXE attack
How severe is CVE-2024-56356?: CVE-2024-56356 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability none.
Is CVE-2024-56356 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-56356?: CVE-2024-56356 affects Jetbrains Teamcity. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-56356?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-56356 have an EU (EUVD) identifier?: Yes. CVE-2024-56356 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-53125.
When was CVE-2024-56356 published?: CVE-2024-56356 was published on 2024-12-20 and last updated on 2026-06-17.

References

https://www.jetbrains.com/privacy-security/issues-fixed/

Affected products (1)

cpe:2.3:a:jetbrains:teamcity:*:*:*:*:*:*:*:*

More vulnerabilities in Jetbrains Teamcity

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CVE-2022-24340 — Critical (CVSS 9.8): In JetBrains TeamCity before 2021.2.1, XXE during the parsing of the configuration file was possible.
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Other CWE-611 (Improper Restriction of XML External Entity Reference (XXE)) vulnerabilities

CVE-2022-22486 — Critical (CVSS 10.0): IBM Tivoli Workload Scheduler 9.4, 9.5, and 10.1 is vulnerable to an XML External Entity Injection (XXE) attack when…
CVE-2019-14678 — Critical (CVSS 10.0): SAS XML Mapper 9.45 has an XML External Entity (XXE) vulnerability that can be leveraged by malicious attackers in…
CVE-2015-9280 — Critical (CVSS 10.0): MailEnable before 8.60 allows XXE via an XML document in the request.aspx Options parameter.
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CVE-2018-1000837 — Critical (CVSS 10.0): UML Designer version <= 8.0.0 contains a XML External Entity (XXE) vulnerability in XML parser for plugins that can…
CVE-2018-1000835 — Critical (CVSS 10.0): KeePassDX version <= 2.5.0.0beta17 contains a XML External Entity (XXE) vulnerability in kdbx file parser that can…

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