Learn about CVE-2021-36807, an authenticated code execution flaw in Sophos SG UTM. Discover the impact, technical details, affected versions, and mitigation steps for this SQL injection vulnerability.
An authenticated user could potentially execute code via an SQLi vulnerability in the user portal of Sophos SG UTM before version 9.708 MR8.
Understanding CVE-2021-36807
This CVE pertains to an authenticated code execution risk in Sophos SG UTM.
What is CVE-2021-36807?
CVE-2021-36807 highlights an SQL injection vulnerability that can be exploited by an authenticated user through the user portal of SG UTM before version 9.708 MR8.
The Impact of CVE-2021-36807
With a CVSS base score of 8.8 (High Severity), this vulnerability could result in high impacts on confidentiality, integrity, and availability of affected systems.
Technical Details of CVE-2021-36807
This section covers the specifics of the vulnerability associated with CVE-2021-36807.
Vulnerability Description
The SQL injection flaw enables authenticated users to execute arbitrary code, posing a significant risk to the security of SG UTM instances.
Affected Systems and Versions
Sophos SG UTM versions prior to 9.708 MR8 are susceptible to this SQLi vulnerability, potentially impacting users running custom versions.
Exploitation Mechanism
Exploiting this vulnerability requires authentication, allowing attackers to manipulate SQL queries and execute malicious code through the user portal.
Mitigation and Prevention
To secure systems against the risks posed by CVE-2021-36807, certain measures need to be taken.
Immediate Steps to Take
Immediate actions include updating Sophos SG UTM to version 9.708 MR8 or applying patches provided by the vendor to address the SQL injection vulnerability.
Long-Term Security Practices
Adopting strict access controls, regular security audits, and user awareness training can enhance the long-term security posture of organizations.
Patching and Updates
Regularly monitoring security advisories from Sophos and promptly applying updates and patches is crucial in protecting systems from known vulnerabilities.