CVE-2020-3156 Explained : Impact and Mitigation
Learn about CVE-2020-3156, a cross-site scripting vulnerability in Cisco Identity Services Engine software that could allow remote attackers to execute arbitrary script code. Find mitigation steps and patching details here.
A vulnerability in the logging component of Cisco Identity Services Engine could allow an unauthenticated remote attacker to conduct cross-site scripting attacks.
Understanding CVE-2020-3156
What is CVE-2020-3156?
CVE-2020-3156 is a cross-site scripting vulnerability in Cisco Identity Services Engine software that could enable a remote attacker to execute arbitrary script code.
The Impact of CVE-2020-3156
The vulnerability could lead to unauthorized access to sensitive information and the execution of malicious scripts in the context of the affected interface.
Technical Details of CVE-2020-3156
Vulnerability Description
The flaw arises from improper validation of endpoint data stored in logs used by the web-based interface, allowing attackers to send malicious data to the system.
Affected Systems and Versions
- Product: Cisco Identity Services Engine Software
- Vendor: Cisco
- Version: Unspecified
Exploitation Mechanism
Attackers can exploit this vulnerability by sending crafted endpoint data to the targeted system, potentially executing arbitrary script code.
Mitigation and Prevention
Immediate Steps to Take
- Apply the latest security patches provided by Cisco.
- Monitor Cisco's security advisories for updates and guidance.
Long-Term Security Practices
- Regularly update and patch all software and systems.
- Implement network segmentation and access controls to limit exposure.
- Educate users on safe browsing practices and awareness of phishing attempts.
Patching and Updates
Cisco has released patches to address this vulnerability. Ensure timely application of these patches to mitigate the risk of exploitation.