CVE-2020-26412 : Vulnerability Insights and Analysis
Learn about CVE-2020-26412, a vulnerability in GitLab EE versions 13.2 to 13.6.2 allowing unauthorized access to confidential epics. Find mitigation steps and security practices here.
A vulnerability in GitLab EE versions 13.2 to 13.6.2 allowed removed group members to access confidential epics through the To-Do functionality.
Understanding CVE-2020-26412
This CVE involves information exposure in GitLab EE versions 13.2 to 13.6.2.
What is CVE-2020-26412?
This vulnerability enabled removed group members to view updated information on confidential epics using the To-Do feature in GitLab EE versions 13.2 to 13.6.2.
The Impact of CVE-2020-26412
- CVSS Score: 3.1 (Low Severity)
- Attack Vector: Network
- Attack Complexity: High
- Privileges Required: Low
- Confidentiality Impact: Low
- Integrity Impact: None
- User Interaction: None
- Scope: Unchanged
- Vector String: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
Technical Details of CVE-2020-26412
Vulnerability Description
The vulnerability allowed unauthorized access to confidential epics through the To-Do functionality in GitLab EE.
Affected Systems and Versions
- Product: GitLab EE
- Versions: >=13.2, <13.4.7; >=13.5, <13.5.5; >=13.6, <13.6.2
Exploitation Mechanism
The exploit involved utilizing the To-Do feature to retrieve updated information on confidential epics.
Mitigation and Prevention
Immediate Steps to Take
- Upgrade GitLab EE to version 13.6.2 or higher.
- Monitor and restrict access to confidential epics.
Long-Term Security Practices
- Regularly review and update access controls.
- Conduct security training for users on handling sensitive information.
Patching and Updates
- Apply security patches promptly to prevent exploitation of known vulnerabilities.