CVE-2022-20962 : Vulnerability Insights and Analysis
Learn about CVE-2022-20962 impacting Cisco Identity Services Engine (ISE) software. Find out how attackers could exploit the Localdisk Management feature vulnerability and steps to prevent unauthorized system changes.
A vulnerability has been identified in the Localdisk Management feature of Cisco Identity Services Engine (ISE) software, potentially allowing an authenticated, remote attacker to make unauthorized changes to the file system of affected devices.
Understanding CVE-2022-20962
This section will delve into the nature and impact of the identified vulnerability.
What is CVE-2022-20962?
The vulnerability in the Localdisk Management feature of Cisco ISE is attributed to insufficient input validation. Attackers could exploit this by sending crafted HTTP requests with absolute path sequences, resulting in unauthorized access to the file system and potential execution of commands with system privileges.
The Impact of CVE-2022-20962
The successful exploitation of this vulnerability could enable attackers to upload malicious files to arbitrary locations within the file system, compromising system integrity.
Technical Details of CVE-2022-20962
This section will outline specific technical details of the vulnerability.
Vulnerability Description
The vulnerability allows authenticated, remote attackers to manipulate the file system of affected Cisco ISE devices by exploiting insufficient input validation.
Affected Systems and Versions
The issue affects Cisco Identity Services Engine Software versions 3.1.0, 3.1.0 p1, and 3.1.0 p3.
Exploitation Mechanism
By sending crafted HTTP requests with absolute path sequences, attackers can gain unauthorized access to the file system, potentially leading to the execution of commands with system privileges.
Mitigation and Prevention
This section will provide insights on mitigating and preventing the exploitation of CVE-2022-20962.
Immediate Steps to Take
- Cisco recommends applying the necessary updates and patches provided to address this vulnerability.
- Network administrators are advised to restrict network access to the affected devices to minimize the risk of exploitation.
Long-Term Security Practices
Implement robust security measures such as network segmentation, access controls, and regular security audits to enhance overall system security.
Patching and Updates
Regularly apply security updates and patches provided by Cisco to ensure the protection of Cisco ISE installations.