Home/CVE/In JetBrains TeamCity before 2024.12 missing Content-Type header in RemoteBuildLogController response could lead to XSS
CVE

CVE-2024-56355

In JetBrains TeamCity before 2024.12 missing Content-Type header in RemoteBuildLogController response could lead to XSS

In JetBrains TeamCity before 2024.12 missing Content-Type header in RemoteBuildLogController response could lead to XSS.

MEDIUM · CVSS 4.6 EPSS 0.33996
Schedule remediation
  • EPSS ≥ 0.10 - elevated exploitation probability
  • EPSS percentile: top 3% of all CVEs by exploitation likelihood
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
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Affected Products & Versions

1
jetbrains teamcity< 2024.12
▣

Scoring & Timeline

4.6
MEDIUM · CVSS v3.1 · cve@jetbrains.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD20 Dec 2024 · 03:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
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References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://www.jetbrains.com/privacy-security/issues-fixed/Vendor Advisory
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