SB2023092118 - Multiple vulnerabilities in JetBrains TeamCity

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Main Vulnerability Database SB2023092118

SB2023092118 - Multiple vulnerabilities in JetBrains TeamCity

Published: September 21, 2023 Updated: August 22, 2025

Security Bulletin ID SB2023092118
Severity
High
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 50% Low 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Stored cross-site scripting (CVE-ID: CVE-2023-43566)

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data during nodes configuration. A remote user can inject and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.


2) Authentication bypass using an alternate path or channel (CVE-ID: CVE-2023-42793)

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to an authentication bypass using an alternate path. A remote attacker can bypass authentication and execute arbitrary code on the system.


Remediation

Install update from vendor's website.

References