CVE-2024-31135Network attack vector

User redirection via crafted login links

Published Mar 28, 2024 · Updated Aug 2, 2024

Open redirect in the login page of JetBrains TeamCity before 2024.03 allows remote attackers to redirect users via crafted links. JetBrains has not published the affected parameter or how the login-page redirect accepts or validates an attacker-controlled destination. Exploitation requires a user to follow a crafted URL, enabling redirection to an attacker-chosen site and associated phishing or credential-theft risks.

CVSS severity6.1
Medium
EPSS probability0.48%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Open redirect in the login page of JetBrains TeamCity before 2024.03 allows remote attackers to redirect users via crafted links. JetBrains has not published the affected parameter or how the login-page redirect accepts or validates an attacker-controlled destination. Exploitation requires a user to follow a crafted URL, enabling redirection to an attacker-chosen site and associated phishing or credential-theft risks.

The record

CVE
CVE-2024-31135
Published
Mar 28, 2024
Updated
Aug 2, 2024
Vendor
JetBrains
Product
TeamCity
Classifications
CWE-601, T1566.002
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Mar 28, 2024CVE publishedPublication date reported by the CVE source.
  2. Aug 2, 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 <2024.03

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

JetBrains · TeamCityversion=0 <2024.03

Published CVSS scores

6.1JetBrainsCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
6.1NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/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 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-601URL Redirection to Untrusted Site ('Open Redirect')
T1566.002Phishing: Spearphishing Link

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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