CVE-2020-1620 : What You Need to Know

This CVE-2020-1620 article provides details about a vulnerability in Junos OS Evolved that allows a local authenticated user to access hashed login passwords via configd streamer log.

Understanding CVE-2020-1620

This section delves into the impact, technical details, and mitigation strategies for CVE-2020-1620.

What is CVE-2020-1620?

This vulnerability in Junos OS Evolved enables a local authenticated user with shell access to retrieve hashed login passwords through the configd streamer log.

The Impact of CVE-2020-1620

The vulnerability poses a medium severity risk, allowing unauthorized access to sensitive hashed password data in affected versions of Junos OS Evolved.

Technical Details of CVE-2020-1620

Explore the specifics of the vulnerability to understand its scope and implications.

Vulnerability Description

Junos OS Evolved versions before 19.3R1 allow local, authenticated users to obtain hashed login passwords via the configd streamer log.

Affected Systems and Versions

Product: Junos OS Evolved
Vendor: Juniper Networks
Vulnerable Version: < 19.3R1-EVO (unspecified)

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Local
Confidentiality Impact: High
Privileges Required: Low
User Interaction: None
Availability Impact: None
Integrity Impact: None
Scope: Unchanged
Vector String: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Mitigation and Prevention

Discover the steps to safeguard systems from this vulnerability.

Immediate Steps to Take

Update to Junos OS Evolved 19.3R1-EVO or later to eliminate the vulnerability.

Long-Term Security Practices

Regularly monitor and audit access to sensitive system files.
Implement least privilege access controls to restrict user capabilities.
Educate users on secure password management practices.

Patching and Updates

Install the recommended software releases to ensure a secure environment.