CVE-2020-12502 : Vulnerability Insights and Analysis

This CVE-2020-12502 article provides insights into an improper authorization vulnerability affecting multiple Pepperl+Fuchs Comtrol RocketLinx products.

Understanding CVE-2020-12502

CVE-2020-12502 highlights an improper authorization issue in Pepperl+Fuchs Comtrol RocketLinx products, potentially leading to unauthenticated device administration.

What is CVE-2020-12502?

The vulnerability in Pepperl+Fuchs Comtrol RocketLinx products allows unauthorized access to device administration, posing a significant security risk.

The Impact of CVE-2020-12502

The vulnerability's high severity and impact on confidentiality, integrity, and availability make it crucial to address promptly to prevent unauthorized access.

Technical Details of CVE-2020-12502

This section delves into the technical aspects of the CVE, including affected systems, exploitation mechanisms, and mitigation strategies.

Vulnerability Description

The vulnerability in Pepperl+Fuchs Comtrol RocketLinx products enables unauthenticated device administration, potentially compromising system security.

Affected Systems and Versions

Pepperl+Fuchs P+F Comtrol RocketLinx ES7510-XT, ES8509-XT, ES8510-XT, ES9528-XTv2, ES7506, ES7510, ES7528, ES8508, ES8508F, ES8510, ES8510-XTE, ES9528/ES9528-XT (all versions)
ICRL-M-8RJ45/4SFP-G-DIN, ICRL-M-16RJ45/4CP-G-DIN FW 1.2.3 and below
JetNet Korenix 5428G-20SFP, 5810G, 4706F, 4510, 5310
PMI-110-F2G Westermo (version < V1.8)

Exploitation Mechanism

The vulnerability can be exploited through improper authorization processes, allowing unauthorized users to access device administration without proper authentication.

Mitigation and Prevention

To address CVE-2020-12502, immediate and long-term security measures are essential.

Immediate Steps to Take

Block traffic from untrusted networks using a firewall, especially targeting the administration webpage.
Restrict administrator and user access to a limited group with secure passwords.

Long-Term Security Practices

Regularly update firmware and security patches to mitigate vulnerabilities.

Patching and Updates

Implement external protective measures and follow vendor recommendations to secure affected systems.