CVE-2020-1688 : Security Advisory and Response

This CVE involves a vulnerability in Juniper Networks SRX Series and NFX Series. An attacker could potentially decrypt communication due to insufficient protection of the Web API private key.

Understanding CVE-2020-1688

This CVE affects platforms like SRX Series and NFX Series running Junos OS, impacting versions ranging from 12.3X48 to 19.2.

What is CVE-2020-1688?

This vulnerability allows a local authenticated user to access the Web API private key, compromising encrypted communication between the Juniper device and authentication services.

The Impact of CVE-2020-1688

Confidentiality Impact: High
Base Score: 6.5 (Medium Severity)
Attack Vector: Local
Privileges Required: Low

Technical Details of CVE-2020-1688

This section delves into the specifics of the vulnerability.

Vulnerability Description

The flaw allows an unauthorized user to obtain the key, risking the decryption of communications between the Juniper device and authentication services.

Affected Systems and Versions

Platforms: SRX Series, NFX Series
Versions: 12.3X48 to 19.2

Exploitation Mechanism

The attacker must be a local authenticated user with shell access to exploit the vulnerability.

Mitigation and Prevention

Protective measures and solutions to address the CVE.

Immediate Steps to Take

Upgrade affected systems to the patched versions listed in the solution.
Restrict shell access to trusted administrators.

Long-Term Security Practices

Review and reinforce access controls within the network.
Regularly update Junos OS to secure against potential vulnerabilities.

Patching and Updates

Apply the provided patches promptly to secure vulnerable systems.