Discover the impact and mitigation steps of CVE-2021-36097, a vulnerability in OTRS 8.0.x versions that allows agents to lock tickets without proper permissions, potentially leading to unauthorized access. Learn how to secure your system.
Agents in OTRS 8.0.x version: 8.0.16 and prior can lock tickets without "Owner" permission, potentially leading to unauthorized access. Learn about the impact, technical details, and mitigation steps.
Understanding CVE-2021-36097
This CVE identifies a vulnerability in OTRS that allows agents to lock tickets without the required permissions, potentially granting them full control.
What is CVE-2021-36097?
The vulnerability in OTRS enables agents to lock tickets even without the necessary "Owner" permission. This could allow agents to move the ticket to a queue where they have unauthorized access.
The Impact of CVE-2021-36097
The impact of this vulnerability is rated as LOW. With a CVSS base score of 3.5, attackers with network access can lock tickets and gain control, affecting the confidentiality and integrity of the system.
Technical Details of CVE-2021-36097
A detailed look at the vulnerability, affected systems, and the exploitation mechanism.
Vulnerability Description
Agents are able to lock tickets without the required "Owner" permission in OTRS 8.0.x versions, allowing unauthorized access to sensitive information.
Affected Systems and Versions
This vulnerability affects OTRS AG OTRS 8.0.x version: 8.0.16 and prior versions.
Exploitation Mechanism
Attackers can exploit this vulnerability via network access to manipulate ticket locks and gain unauthorized control over sensitive information.
Mitigation and Prevention
Guidelines on immediate actions to take, long-term security practices, and patching procedures.
Immediate Steps to Take
Update OTRS to version 8.0.17 to mitigate the vulnerability and prevent unauthorized access to ticket locking.
Long-Term Security Practices
Implement least privilege access controls, regular security audits, and employee training to prevent similar vulnerabilities in the future.
Patching and Updates
Regularly apply security patches and updates provided by OTRS to address known vulnerabilities and enhance system security.