CVE-2020-12501 Explained : Impact and Mitigation

This CVE-2020-12501 article provides insights into an Improper Authorization vulnerability affecting Pepperl+Fuchs P+F Comtrol RocketLinx products.

Understanding CVE-2020-12501

This section delves into the details of the vulnerability and its impact.

What is CVE-2020-12501?

The CVE-2020-12501 vulnerability involves the use of undocumented accounts in Pepperl+Fuchs P+F Comtrol RocketLinx products, leading to improper authorization.

The Impact of CVE-2020-12501

The vulnerability has a critical severity level with a CVSS base score of 9.8. Its impact includes high confidentiality, integrity, and availability impacts.

Technical Details of CVE-2020-12501

Explore the technical aspects of the CVE-2020-12501 vulnerability.

Vulnerability Description

The vulnerability arises from the use of hard-coded credentials in the affected Pepperl+Fuchs and Korenix products, allowing unauthorized access.

Affected Systems and Versions

Pepperl+Fuchs P+F Comtrol RocketLinx products: ES8509-XT, ES8510-XT, ES9528-XTv2, ES7506, ES7510, ES7528, ES8508, ES8508F, ES8510, ES8510-XTE, ES9528/ES9528-XT (all versions)
Korenix JetNet products: 5428G-20SFP, 5810G, 4706F, 4510, 5310
Westermo PMI-110-F2G (version < V1.8)

Exploitation Mechanism

The vulnerability can be exploited remotely with low complexity, requiring no privileges, and impacting network availability.

Mitigation and Prevention

Learn how to mitigate the risks associated with CVE-2020-12501.

Immediate Steps to Take

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

Long-Term Security Practices

Regularly update and patch affected systems to eliminate vulnerabilities.
Implement network segmentation and access controls to limit unauthorized access.
Conduct security audits and penetration testing to identify and address potential weaknesses.

Patching and Updates

Stay informed about security advisories and updates from vendors to apply patches promptly.