CVE-2020-12503 : Security Advisory and Response
Learn about CVE-2020-12503, an Improper Authorization vulnerability impacting Pepperl+Fuchs Comtrol RocketLinx products, allowing authenticated command injections. Discover the affected systems, exploitation risks, and mitigation steps.
This CVE-2020-12503 article provides insights into an Improper Authorization vulnerability affecting multiple Pepperl+Fuchs Comtrol RocketLinx products.
Understanding CVE-2020-12503
This CVE involves an authorization issue in various Pepperl+Fuchs and Korenix products, potentially leading to authenticated command injections.
What is CVE-2020-12503?
The vulnerability in Pepperl+Fuchs P+F Comtrol RocketLinx products allows attackers to execute commands with elevated privileges, posing a significant security risk.
The Impact of CVE-2020-12503
The vulnerability's CVSS score is 7.2, indicating a high severity level due to its potential for unauthorized command execution and compromise of confidentiality, integrity, and availability.
Technical Details of CVE-2020-12503
This section delves into the specific technical aspects of the CVE.
Vulnerability Description
The vulnerability arises from improper authorization in Pepperl+Fuchs P+F Comtrol RocketLinx products, enabling authenticated users to inject and execute commands.
Affected Systems and Versions
- Pepperl+Fuchs P+F Comtrol RocketLinx: ES8509-XT, ES8510-XT, ES9528-XTv2, ES7506, ES7510, ES7528, ES8508, ES8508F, 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
- Korenix JetNet: 5428G-20SFP, 5810G, 4706F, 4510, 5310
- Westermo PMI-110-F2G (version < V1.8)
Exploitation Mechanism
The vulnerability allows authenticated users to exploit the authorization flaw to inject and execute commands, potentially leading to unauthorized system access.
Mitigation and Prevention
Protecting systems from CVE-2020-12503 requires immediate actions and long-term security practices.
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 mitigate known vulnerabilities.
Patching and Updates
Stay informed about security updates and patches released by Pepperl+Fuchs, Korenix, and Westermo to address the CVE-2020-12503 vulnerability.