CVE-2024-43809Network attack vector

Authenticated reflected XSS via agentPushPreset page

Published Aug 16, 2024 · Updated Aug 16, 2024

Reflected XSS in JetBrains TeamCity before 2024.07.1 allows remote authenticated users to execute script via the agentPushPreset page. JetBrains identifies the affected page but has not disclosed which request value is reflected or where output encoding fails. Exploitation requires high-privileged TeamCity access and user interaction, and script runs only in the victim's browser context.

CVSS severity3.5
Low
EPSS probability0.33%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Reflected XSS in JetBrains TeamCity before 2024.07.1 allows remote authenticated users to execute script via the agentPushPreset page. JetBrains identifies the affected page but has not disclosed which request value is reflected or where output encoding fails. Exploitation requires high-privileged TeamCity access and user interaction, and script runs only in the victim's browser context.

The record

CVE
CVE-2024-43809
Published
Aug 16, 2024
Updated
Aug 16, 2024
Vendor
JetBrains
Product
TeamCity
Classifications
CWE-79, T1203
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Aug 16, 2024CVE publishedPublication date reported by the CVE source.
  2. Aug 16, 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 <2024.07.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

JetBrains · TeamCityversion=0 <2024.07.1

Published CVSS scores

6.1NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
3.5JetBrains s.r.o.CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/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 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1203Exploitation for Client Execution

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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