CVE-2017-6733 : Security Advisory and Response

Cisco Identity Services Engine (ISE) portal has a stored cross-site scripting (XSS) vulnerability that could allow remote attackers to execute malicious scripts on the web interface.

Understanding CVE-2017-6733

This CVE involves a flaw in the web-based application interface of the Cisco ISE portal, potentially enabling unauthorized remote attackers to conduct XSS attacks.

What is CVE-2017-6733?

The vulnerability allows unauthenticated remote attackers to perform stored XSS attacks on users of the affected system's web interface.
Affected versions include 2.1(102.101), 2.2(0.283), and 2.3(0.151) of Cisco ISE.

The Impact of CVE-2017-6733

Attackers can execute arbitrary scripts in the context of the user's session, leading to unauthorized actions or data theft.

Technical Details of CVE-2017-6733

This section provides detailed technical insights into the vulnerability.

Vulnerability Description

The flaw in the Cisco ISE portal's web interface allows for stored XSS attacks by remote unauthorized users.

Affected Systems and Versions

Cisco Identity Services Engine versions 2.1(102.101), 2.2(0.283), and 2.3(0.151) are confirmed to be impacted.

Exploitation Mechanism

Remote attackers can inject and execute malicious scripts through the web interface, compromising user data and system integrity.

Mitigation and Prevention

Protecting systems from CVE-2017-6733 requires immediate actions and long-term security measures.

Immediate Steps to Take

Apply vendor-supplied patches or updates to mitigate the vulnerability.
Monitor network traffic for any signs of exploitation attempts.
Educate users on safe browsing practices to prevent XSS attacks.

Long-Term Security Practices

Regularly update and patch all software and systems to address security vulnerabilities promptly.
Implement network segmentation and access controls to limit the impact of potential attacks.
Conduct regular security assessments and penetration testing to identify and remediate vulnerabilities.

Patching and Updates

Cisco may release security advisories or patches to address the vulnerability; ensure timely implementation to secure the system.