CVE-2021-44886 Explained : Impact and Mitigation
Learn about CVE-2021-44886 affecting Zammad 5.0.2, allowing unauthorized access to ticket notifications. Find mitigation steps and recommendations here.
Zammad 5.0.2 allows agents to configure "out of office" periods and substitute persons, potentially exposing ticket notifications to unauthorized individuals.
Understanding CVE-2021-44886
Zammad 5.0.2 vulnerability impacting ticket notifications.
What is CVE-2021-44886?
In Zammad 5.0.2, agents setting substitute persons without matching permissions can result in unauthorized access to ticket notifications.
The Impact of CVE-2021-44886
This vulnerability could lead to the exposure of confidential ticket information to unauthorized personnel.
Technical Details of CVE-2021-44886
Zammad 5.0.2 vulnerability details.
Vulnerability Description
Agents configuring substitute persons without proper permissions may receive notifications for tickets they shouldn't access.
Affected Systems and Versions
- Product: Zammad
- Version: 5.0.2
Exploitation Mechanism
Unauthorized personnel receiving ticket notifications due to misconfiguration by agents.
Mitigation and Prevention
Protecting systems from CVE-2021-44886.
Immediate Steps to Take
- Upgrade Zammad to version 5.0.3 or newer.
- Review and adjust agent permissions for substitute persons.
- Monitor ticket notifications for any unusual activities.
Long-Term Security Practices
- Regularly review and update permission configurations.
- Conduct security training for agents on proper use of substitute persons feature.
Patching and Updates
Apply security patches and updates promptly to prevent vulnerabilities like CVE-2021-44886.