CVE-2021-26677 : Vulnerability Insights and Analysis
Learn about CVE-2021-26677, a local authenticated privilege escalation vulnerability in Aruba ClearPass Policy Manager versions prior to 6.9.5, 6.8.8-HF1, 6.7.14-HF1. Understand the impact, affected systems, and mitigation steps.
A local authenticated escalation of privilege vulnerability was discovered in Aruba ClearPass Policy Manager versions prior to 6.9.5, 6.8.8-HF1, 6.7.14-HF1. The vulnerability in ClearPass OnGuard could allow local authenticated users on a Windows platform to elevate their privileges, potentially leading to the execution of arbitrary code with SYSTEM level privileges.
Understanding CVE-2021-26677
This section will delve into the details of the CVE-2021-26677 vulnerability.
What is CVE-2021-26677?
The CVE-2021-26677 CVE involves a local authenticated escalation of privilege vulnerability in Aruba ClearPass Policy Manager versions prior to 6.9.5, 6.8.8-HF1, 6.7.14-HF1. This vulnerability allows local authenticated users on a Windows platform to escalate their privileges.
The Impact of CVE-2021-26677
The impact of CVE-2021-26677 is significant as it enables attackers to execute arbitrary code with SYSTEM level privileges, posing a severe security risk to affected systems.
Technical Details of CVE-2021-26677
This section will provide technical insights into CVE-2021-26677.
Vulnerability Description
The vulnerability allows local authenticated users on a Windows platform to elevate their privileges, potentially leading to arbitrary code execution with SYSTEM level privileges.
Affected Systems and Versions
Aruba ClearPass Policy Manager versions prior to 6.9.5, 6.8.8-HF1, 6.7.14-HF1 are affected by this privilege escalation vulnerability.
Exploitation Mechanism
The vulnerability can be exploited by local authenticated users on a Windows platform to gain elevated privileges and execute arbitrary code.
Mitigation and Prevention
In this section, we will explore steps to mitigate and prevent the CVE-2021-26677 vulnerability.
Immediate Steps to Take
Users are advised to upgrade Aruba ClearPass Policy Manager to version 6.9.5 or apply the necessary hotfixes - 6.8.8-HF1, 6.7.14-HF1. Additionally, users should monitor system activity for any signs of unauthorized privilege escalation.
Long-Term Security Practices
Implementing the principle of least privilege, conducting regular security audits, and educating users on secure practices can help prevent similar vulnerabilities in the future.
Patching and Updates
Regularly applying security patches and updates provided by Aruba Networks is essential in maintaining system security and protecting against known vulnerabilities.