CVE-2020-3364 : Exploit Details and Defense Strategies
Learn about CVE-2020-3364, a vulnerability in Cisco IOS XR Software that allows unauthorized access to IP addresses on the standby route processor management interface. Find mitigation steps and prevention measures here.
A vulnerability in the access control list (ACL) functionality of the standby route processor management interface of Cisco IOS XR Software could allow an unauthenticated, remote attacker to reach the configured IP addresses on the standby route processor management Gigabit Ethernet Management interface.
Understanding CVE-2020-3364
This CVE refers to a security flaw in Cisco IOS XR Software that could enable unauthorized access to IP addresses on the standby route processor management interface.
What is CVE-2020-3364?
The vulnerability in Cisco IOS XR Software allows attackers to bypass ACL functionality on the standby route processor management interface, potentially compromising network security.
The Impact of CVE-2020-3364
The vulnerability poses a medium severity risk, with a CVSS base score of 5.3. If exploited, attackers could access IP addresses on the affected interface.
Technical Details of CVE-2020-3364
This section provides detailed technical information about the vulnerability.
Vulnerability Description
The flaw in Cisco IOS XR Software prevents ACLs from functioning correctly on the standby route processor management interface, enabling unauthorized access.
Affected Systems and Versions
- Product: Cisco IOS XR Software
- Vendor: Cisco
- Versions: Not applicable (n/a)
Exploitation Mechanism
Attackers can exploit this vulnerability by trying to access the device through the standby route processor management interface.
Mitigation and Prevention
Protect your systems from CVE-2020-3364 with the following steps:
Immediate Steps to Take
- Apply vendor-provided patches or updates promptly.
- Monitor network traffic for any suspicious activity.
- Restrict access to vulnerable interfaces.
Long-Term Security Practices
- Regularly update and patch all software and firmware.
- Implement strong access controls and authentication mechanisms.
- Conduct regular security audits and assessments.
- Stay informed about security advisories from vendors.
- Train employees on cybersecurity best practices.
Patching and Updates
Ensure that you apply the latest patches and updates provided by Cisco to address the vulnerability.