CVE-2020-26083 : Security Advisory and Response
Learn about CVE-2020-26083, a vulnerability in Cisco Identity Services Engine (ISE) allowing XSS attacks. Find out the impact, affected systems, and mitigation steps.
A vulnerability in the web-based management interface of Cisco Identity Services Engine (ISE) could allow an authenticated, remote attacker with administrative credentials to conduct a cross-site scripting (XSS) attack.
Understanding CVE-2020-26083
This CVE involves a security flaw in the web-based management interface of Cisco Identity Services Engine (ISE) that could be exploited by an attacker with administrative privileges.
What is CVE-2020-26083?
The vulnerability allows an authenticated remote attacker to execute a cross-site scripting (XSS) attack by injecting malicious code into specific pages of the interface.
The Impact of CVE-2020-26083
- Successful exploitation could lead to the execution of arbitrary script code in the interface's context or access to sensitive browser-based information.
- An attacker would require valid administrative credentials to exploit this vulnerability.
Technical Details of CVE-2020-26083
This section provides more in-depth technical insights into the CVE.
Vulnerability Description
- The vulnerability arises from the lack of proper validation of user-supplied input in the web-based management interface of Cisco ISE.
Affected Systems and Versions
- Product: Cisco Identity Services Engine Software
- Vendor: Cisco
- Affected Version: Not applicable
Exploitation Mechanism
- Attacker needs administrative credentials to inject malicious code into the interface, enabling XSS attacks.
Mitigation and Prevention
Steps to address and prevent the exploitation of CVE-2020-26083.
Immediate Steps to Take
- Ensure all users have the least privileges necessary to perform their roles.
- Regularly monitor and review user activities within the ISE interface.
Long-Term Security Practices
- Implement input validation mechanisms to prevent XSS attacks.
- Conduct security training for administrators on identifying and mitigating such vulnerabilities.
Patching and Updates
- Apply the latest security patches and updates provided by Cisco to address this vulnerability.