External risk intelligence

JetBrains TeamCity Path Traversal Vulnerability

CVE advisoryKnown Exploit

CVE-2024-27199

A path traversal vulnerability in JetBrains TeamCity enables unauthorized administrative actions, posing a business risk. Affected organizations may experience unauthorized account creation and workflow disruption.

4Halo Surface Signal

Path Traversal

Jetbrains Teamcity

before 2023.11.4

External exposure likelihood

Halo Surface Signal score for CVE-2024-27199

JetBrains TeamCity is a continuous integration and continuous deployment (CI/CD) server. These platforms are commonly deployed as web-based, network-accessible services to facilitate remote access for development teams, integration with external code repositories, and automated deployment pipelines, making the management interface frequently reachable via the network.

Horizon Alert

Summary of the vulnerability and why it matters

JetBrains TeamCity is affected by a vulnerability that allows unauthorized access to perform administrative actions. This flaw exists in the path traversal mechanism. The impact on business operations can include unauthorized account creation and potential disruption of development workflows.

  • Vulnerable JetBrains TeamCity
  • Path traversal flaw
  • Limited administrative actions

Attack Path

How an attacker could exploit the issue

A path traversal vulnerability in JetBrains TeamCity allows an unauthenticated attacker to access limited administrative functions. This can lead to the creation of unauthorized administrator accounts, granting the attacker further control over the system. The impact includes potential data compromise and unauthorized system modifications.

  • Network exposure required.
  • Attacker performs path traversal.
  • Creates rogue administrator accounts.

Live Threat

Current exploitation, exposure, and threat context

This vulnerability presents a significant risk to organizations using affected versions of JetBrains TeamCity. Attackers can exploit a path traversal flaw to execute limited administrative actions. The ease of exploitation and potential for unauthorized administrative access indicate a high level of business risk. Organizations should treat this vulnerability with urgency.

  • Likely attacker skill level: Low
  • Required access or conditions: None
  • Business risk or urgency: High

Priority actions

Operational Fix

Recommended remediation, mitigation, and detection steps

This vulnerability presents a risk to organizations utilizing JetBrains TeamCity, as it allows for limited administrative actions through a path traversal flaw. The exploitation could lead to unauthorized access or modifications within the TeamCity environment, potentially impacting system integrity and data confidentiality. Understanding and addressing this exposure is crucial for maintaining a secure operational posture.

  • Identify TeamCity assets.
  • Isolate exposed TeamCity systems.
  • Apply vendor updates and monitor.

Frequently asked questions

What is JetBrains TeamCity?

JetBrains TeamCity is a continuous integration and continuous deployment (CI/CD) server used by development teams to automate software building, testing, and deployment, streamlining the software development lifecycle.

What weakness does CVE-2024-27199 describe?

CVE-2024-27199 describes a path traversal vulnerability (CWE-23) in JetBrains TeamCity, allowing attackers to perform limited administrative actions.

How can an attacker exploit CVE-2024-27199?

An attacker can exploit CVE-2024-27199 by leveraging a path traversal flaw to execute limited administrative actions, potentially leading to the creation of unauthorized administrator accounts.

What is the relevance of CVE-2024-27199 according to Halo Surface Signal?

Halo Surface Signal assesses CVE-2024-27199 as 'Likely' due to JetBrains TeamCity being a network-accessible CI/CD platform, commonly exposed via the web for remote team access and integration.

What steps should be taken to address the JetBrains TeamCity vulnerability?

To address this vulnerability, organizations should identify TeamCity assets, isolate exposed systems, apply vendor updates to versions 2023.11.4 or later, and monitor for suspicious activity.

References