CVE-2020-1630 : What You Need to Know
Learn about CVE-2020-1630 affecting Juniper Junos OS. Understand the impact, affected systems, and mitigation steps for this privilege escalation vulnerability.
A privilege escalation vulnerability in Juniper Networks Junos OS devices may allow unauthorized configuration changes.
Understanding CVE-2020-1630
This CVE pertains to a vulnerability in Junos OS that exposes devices configured with dual Routing Engines, Virtual Chassis, or high-availability clusters.
What is CVE-2020-1630?
The vulnerability allows a local authenticated low-privileged user to make unauthorized configuration changes.
The Impact of CVE-2020-1630
- Attack Complexity: Low
- Attack Vector: Local
- Base Score: 5 (Medium)
- Integrity Impact: High
- Scope: Unchanged
- User Interaction: Required
Technical Details of CVE-2020-1630
Vulnerability Description
- Affects Junos OS devices with dual RE, VC, or HA cluster
- Unauthorized configuration modification possible for low-privileged users
Affected Systems and Versions
- Junos OS versions 12.3 to 19.2
Exploitation Mechanism
- No known malicious exploits reported
Mitigation and Prevention
Immediate Steps to Take
- Update to fixed versions: 12.3R12-S14, 12.3X48-D86, 14.1X53-D51, etc.
- Restrict shell access to trusted administrators
Long-Term Security Practices
- Regularly update Junos OS for the latest security patches
Patching and Updates
- Juniper has released updates to address the vulnerability