CVE-2017-12316 Explained : Impact and Mitigation
Learn about CVE-2017-12316, a Cisco Identity Services Engine (ISE) vulnerability allowing remote attackers to perform multiple login attempts, potentially leading to brute-force attacks on the Guest Portal.
Cisco Identity Services Engine (ISE) Guest Portal login page vulnerability allows remote attackers to perform multiple login attempts exceeding the limit.
Understanding CVE-2017-12316
The vulnerability in Cisco ISE enables unauthenticated attackers to launch brute-force attacks on the Guest Portal login page.
What is CVE-2017-12316?
The Guest Portal login page of Cisco Identity Services Engine (ISE) has a weakness that allows remote attackers to exceed the login attempt limit, potentially leading to brute-force password attacks.
The Impact of CVE-2017-12316
- Remote attackers can make multiple login attempts without authentication
- Possibility of launching brute-force password attacks on the ISE Guest Portal
Technical Details of CVE-2017-12316
The technical aspects of the vulnerability in Cisco ISE.
Vulnerability Description
- Inadequate enforcement of login attempt limit on the server-side
- Attackers can send modified login attempts to the Guest Portal
Affected Systems and Versions
- Product: Cisco Identity Services Engine
- Version: Cisco Identity Services Engine
Exploitation Mechanism
- Attackers exploit the vulnerability by sending modified login attempts
- This allows them to perform brute-force password attacks on the ISE Guest Portal
Mitigation and Prevention
Steps to mitigate and prevent exploitation of CVE-2017-12316.
Immediate Steps to Take
- Apply patches provided by Cisco
- Monitor login attempts and implement account lockout policies
Long-Term Security Practices
- Regularly update and patch Cisco ISE
- Implement strong password policies and multi-factor authentication
Patching and Updates
- Cisco has released patches to address the vulnerability
- Regularly check for updates and apply them promptly