CVE-2021-0210 : What You Need to Know

A detailed overview of CVE-2021-0210, focusing on an information exposure vulnerability in J-Web of Juniper Networks Junos OS, leading to privilege escalation through arbitrary command and code execution.

Understanding CVE-2021-0210

This section covers the impact, technical details, and mitigation strategies related to CVE-2021-0210.

What is CVE-2021-0210?

CVE-2021-0210 involves an information exposure vulnerability in J-Web of Juniper Networks Junos OS, allowing an unauthenticated attacker to elevate their privileges by utilizing an authenticated user's active session.

The Impact of CVE-2021-0210

The vulnerability can lead to privilege escalation through arbitrary command and code execution, impacting various versions of Junos OS.

Technical Details of CVE-2021-0210

Explore the specifics of the vulnerability, affected systems, and the exploitation mechanism in this section.

Vulnerability Description

The vulnerability in J-Web of Junos OS enables attackers to exploit an authenticated user's session, potentially leading to privilege escalation.

Affected Systems and Versions

Versions of Junos OS ranging from 12.3 to 20.2 are affected by this vulnerability, with specific releases susceptible to exploitation.

Exploitation Mechanism

The exploit involves an unauthenticated attacker leveraging an authenticated user's session to escalate privileges through arbitrary command and code execution.

Mitigation and Prevention

Discover the steps to mitigate the risk posed by CVE-2021-0210 and prevent potential exploitation.

Immediate Steps to Take

Apply the provided software releases to address the vulnerability and enhance security measures.

Long-Term Security Practices

Implement robust security measures to safeguard against privilege escalation and information exposure vulnerabilities.

Patching and Updates

Regularly update Junos OS to the specified releases and subsequent versions to mitigate the risk of exploitation.