CVE-2024-56352Network attack vector

Stored script execution via agent image name

Published Dec 20, 2024 · Updated Dec 20, 2024

Stored XSS in JetBrains TeamCity before 2024.12 allows remote authenticated users to execute script via a crafted agent image name. The agent details page renders the stored image name as active browser content; JetBrains has not disclosed the affected code path or exact encoding failure. An authenticated user must persist the name, and another user must view the agent details page; consequences are bounded to data and actions available in that viewer's browser session.

CVSS severity4.6
Medium
EPSS probability0.78%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored XSS in JetBrains TeamCity before 2024.12 allows remote authenticated users to execute script via a crafted agent image name. The agent details page renders the stored image name as active browser content; JetBrains has not disclosed the affected code path or exact encoding failure. An authenticated user must persist the name, and another user must view the agent details page; consequences are bounded to data and actions available in that viewer's browser session.

The record

CVE
CVE-2024-56352
Published
Dec 20, 2024
Updated
Dec 20, 2024
Vendor
JetBrains
Product
TeamCity
Classifications
CWE-79, T1189
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Dec 20, 2024CVE publishedPublication date reported by the CVE source.
  2. Dec 20, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <2024.12

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

JetBrains · TeamCityversion=0 <2024.12

Published CVSS scores

4.6JetBrains s.r.o.CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
5.4NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1189Drive-by Compromise

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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