CVE-2020-3157 : Vulnerability Insights and Analysis
Learn about CVE-2020-3157, a vulnerability in Cisco Identity Services Engine (ISE) allowing remote attackers to conduct cross-site scripting attacks. Find mitigation steps and patching details.
A vulnerability in the web-based management interface of Cisco Identity Services Engine (ISE) could allow an authenticated, remote attacker to conduct a cross-site scripting (XSS) attack.
Understanding CVE-2020-3157
What is CVE-2020-3157?
This CVE refers to a vulnerability in the web-based management interface of Cisco Identity Services Engine (ISE) that could enable a remote attacker to execute a cross-site scripting (XSS) attack.
The Impact of CVE-2020-3157
The vulnerability could permit an attacker to execute arbitrary script code in the context of the affected interface or access sensitive information when an administrator views the configuration.
Technical Details of CVE-2020-3157
Vulnerability Description
- The vulnerability is a result of insufficient validation of user-supplied input to the web-based management interface of Cisco ISE.
Affected Systems and Versions
- Product: Cisco Identity Services Engine Software
- Vendor: Cisco
- Versions: Unspecified
Exploitation Mechanism
- An attacker with write permissions can craft a malicious configuration and save it to the targeted system to exploit the vulnerability.
Mitigation and Prevention
Immediate Steps to Take
- Apply vendor patches and updates promptly.
- Restrict access to the web-based management interface.
- Monitor for any unauthorized access or changes.
Long-Term Security Practices
- Regularly update and patch all software and systems.
- Conduct security training to educate users on identifying and avoiding phishing attacks.
Patching and Updates
- Cisco has released patches to address this vulnerability. Ensure all systems are updated with the latest security fixes.