CVE-2020-8782 : Vulnerability Insights and Analysis

ALEOS LAN-Side RPC Service Remote Code Execution vulnerability allows remote code execution on ALEOS versions before 4.4.9, 4.9.5, and 4.14.0.

Understanding CVE-2020-8782

This CVE involves an unauthenticated RPC server on ALEOS that permits remote code execution.

What is CVE-2020-8782?

The vulnerability in ALEOS versions prior to 4.4.9, 4.9.5, and 4.14.0 enables attackers to execute code remotely.

The Impact of CVE-2020-8782

The impact of this vulnerability is rated as HIGH with a CVSS base score of 7.5, affecting confidentiality, integrity, and availability.

Technical Details of CVE-2020-8782

This section delves into the technical aspects of the CVE.

Vulnerability Description

The unauthenticated RPC server in ALEOS versions before 4.4.9, 4.9.5, and 4.14.0 allows remote code execution.

Affected Systems and Versions

ALEOS versions before 4.4.9
ALEOS versions before 4.9.5
ALEOS versions before 4.14.0

Exploitation Mechanism

Attack Complexity: HIGH
Attack Vector: ADJACENT_NETWORK
Privileges Required: NONE
User Interaction: NONE
Scope: UNCHANGED
Vector String: CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Mitigation and Prevention

Protecting systems from CVE-2020-8782 is crucial to prevent unauthorized code execution.

Immediate Steps to Take

Update ALEOS to versions 4.4.9, 4.9.5, or 4.14.0 to mitigate the vulnerability.
Implement network segmentation to limit exposure to adjacent network attacks.

Long-Term Security Practices

Regularly monitor and update systems to address security vulnerabilities promptly.
Conduct security assessments and penetration testing to identify and remediate potential weaknesses.

Patching and Updates

Apply security patches provided by Sierra Wireless to address the vulnerability in ALEOS versions.