CVE-2021-40993 : Security Advisory and Response
Discover the impact of CVE-2021-40993, a remote SQL injection vulnerability in Aruba ClearPass Policy Manager versions 6.10.x, 6.9.x, and 6.8.x. Learn how to mitigate this security risk.
This article discusses a remote SQL injection vulnerability found in Aruba ClearPass Policy Manager versions prior to specific releases.
Understanding CVE-2021-40993
This CVE identifies a serious security issue affecting certain versions of Aruba ClearPass Policy Manager.
What is CVE-2021-40993?
CVE-2021-40993 denotes a remote SQL injection vulnerability in Aruba ClearPass Policy Manager versions 6.10.x prior to 6.10.2, 6.9.x prior to 6.9.7-HF1, and 6.8.x prior to 6.8.9-HF1.
The Impact of CVE-2021-40993
The vulnerability allows remote attackers to execute arbitrary SQL commands, potentially compromising the affected systems' integrity and confidentiality.
Technical Details of CVE-2021-40993
This section covers the specifics of the vulnerability and its implications.
Vulnerability Description
Aruba ClearPass Policy Manager versions mentioned are susceptible to remote SQL injection, enabling unauthorized access to the backend database.
Affected Systems and Versions
- Aruba ClearPass Policy Manager 6.10.x (prior to 6.10.2)
- Aruba ClearPass Policy Manager 6.9.x (prior to 6.9.7-HF1)
- Aruba ClearPass Policy Manager 6.8.x (prior to 6.8.9-HF1)
Exploitation Mechanism
Attackers can exploit this vulnerability by injecting malicious SQL queries through various entry points, gaining unauthorized access.
Mitigation and Prevention
It's crucial to take immediate and long-term measures to secure systems against CVE-2021-40993.
Immediate Steps to Take
- Apply the patches provided by Aruba to mitigate the vulnerability.
- Monitor network traffic for suspicious activities.
Long-Term Security Practices
- Regularly update and patch software to prevent future vulnerabilities.
- Implement network segmentation and access controls to limit attack surfaces.
- Conduct regular security audits and assessments to identify and remediate security gaps.
Patching and Updates
Aruba has released patches addressing the SQL injection vulnerability in ClearPass Policy Manager. Ensure timely application of these updates.