CVE-2021-36307 : Vulnerability Insights and Analysis
Learn about CVE-2021-36307, a privilege escalation flaw in Dell's Networking OS versions with RESTCONF API enabled. Understand its impact, affected systems, and mitigation steps.
A privilege escalation vulnerability has been identified in Dell's Networking OS prior to October 2021. This vulnerability exists in versions with the RESTCONF API enabled, allowing a malicious low-privileged user to potentially gain admin privileges on the affected system.
Understanding CVE-2021-36307
This section provides insight into the nature and impact of the CVE-2021-36307 vulnerability.
What is CVE-2021-36307?
CVE-2021-36307 is a privilege escalation vulnerability present in Dell's Networking OS versions with the RESTCONF API enabled. Exploitation of this vulnerability could result in unauthorized elevation of privileges, granting an attacker admin access to the affected system.
The Impact of CVE-2021-36307
The impact of this vulnerability is rated as high, with a CVSS base score of 8.8. Attackers with specific access to the RESTCONF API could leverage this flaw to compromise the confidentiality, integrity, and availability of the targeted system.
Technical Details of CVE-2021-36307
Explore the technical aspects of CVE-2021-36307 to understand its implications and intricacies.
Vulnerability Description
The vulnerability is classified under CWE-269: Improper Privilege Management, highlighting the inadequate handling of privileges within the affected Dell Networking OS versions.
Affected Systems and Versions
Dell Networking OS versions prior to October 2021 with RESTCONF API enabled are impacted by CVE-2021-36307. Specifically, versions like OS10 10.4.3.8, OS10 10.5.0.6C3, and others are vulnerable to this privilege escalation issue.
Exploitation Mechanism
A low-privileged user with specific access to the RESTCONF API can exploit CVE-2021-36307 to escalate their privileges and potentially gain administrative control over the system.
Mitigation and Prevention
Discover the necessary steps and measures to mitigate the risks associated with CVE-2021-36307.
Immediate Steps to Take
It is crucial to apply security patches provided by Dell to address the CVE-2021-36307 vulnerability. Additionally, disabling or restricting access to the RESTCONF API can reduce the exploitability of this issue.
Long-Term Security Practices
Implementing strong access controls, regular security assessments, and maintaining up-to-date software configurations can enhance the overall security posture and resilience of the system.
Patching and Updates
Regularly monitor Dell's security advisories and promptly apply recommended patches and updates to safeguard the Networking OS environment against known vulnerabilities.