Learn about CVE-2021-3315, a stored XSS vulnerability in JetBrains TeamCity before 2020.2.2 that allows attackers to execute malicious scripts on a tests page. Find out how to mitigate this security risk.
JetBrains TeamCity before 2020.2.2 is affected by a stored XSS vulnerability that allows malicious actors to execute scripts on a tests page.
Understanding CVE-2021-3315
This CVE ID refers to a security issue in JetBrains TeamCity that could lead to stored XSS attacks.
What is CVE-2021-3315?
CVE-2021-3315 is a vulnerability in JetBrains TeamCity before version 2020.2.2 that enables stored XSS attacks on a tests page, posing a risk to the integrity and security of the application.
The Impact of CVE-2021-3315
The vulnerability could be exploited by attackers to inject and execute malicious scripts on the affected page, potentially leading to unauthorized actions, data theft, and overall compromise of the application's security.
Technical Details of CVE-2021-3315
This section provides more insight into the technical aspects of the CVE.
Vulnerability Description
The vulnerability in JetBrains TeamCity allows for the storage of malicious scripts on a tests page, which can then be executed within the application.
Affected Systems and Versions
JetBrains TeamCity versions before 2020.2.2 are impacted by this vulnerability, exposing them to the risk of stored XSS attacks.
Exploitation Mechanism
Attackers can exploit this vulnerability by injecting malicious scripts into the tests page, which are then executed when the page is accessed, leading to potential security breaches.
Mitigation and Prevention
Protecting systems from CVE-2021-3315 is crucial to maintain security and prevent unauthorized access.
Immediate Steps to Take
Users and administrators should update JetBrains TeamCity to version 2020.2.2 or later to mitigate the risk of stored XSS attacks.
Long-Term Security Practices
Implementing secure coding practices, conducting regular security assessments, and staying informed about security updates are essential for long-term protection.
Patching and Updates
Regularly applying security patches and updates provided by JetBrains is crucial to address vulnerabilities and enhance the security posture of the application.