CVE-2020-13573 : Security Advisory and Response
Learn about CVE-2020-13573, a high-severity denial-of-service vulnerability in Rockwell Automation RSLinx Classic 2.57.00.14 CPR 9 SR 3. Understand the impact, affected systems, exploitation mechanism, and mitigation steps.
A denial-of-service vulnerability exists in the Ethernet/IP server functionality of Rockwell Automation RSLinx Classic 2.57.00.14 CPR 9 SR 3. An attacker can exploit this vulnerability by sending specially crafted network requests, leading to a denial of service.
Understanding CVE-2020-13573
This CVE involves a denial-of-service vulnerability in Rockwell Automation RSLinx Classic 2.57.00.14 CPR 9 SR 3.
What is CVE-2020-13573?
CVE-2020-13573 is a vulnerability in the Ethernet/IP server functionality of Rockwell Automation RSLinx Classic 2.57.00.14 CPR 9 SR 3. It can be triggered by a sequence of malicious packets sent by an attacker.
The Impact of CVE-2020-13573
The vulnerability has a CVSS base score of 7.5, indicating a high severity level. It can result in a denial of service, with a significant impact on availability.
Technical Details of CVE-2020-13573
This section provides more technical insights into the CVE.
Vulnerability Description
The vulnerability stems from the Ethernet/IP server functionality of Rockwell Automation RSLinx Classic 2.57.00.14 CPR 9 SR 3, allowing attackers to cause a denial of service.
Affected Systems and Versions
- Product: Rockwell Automation
- Version: Rockwell Automation RSLinx Classic 2.57.00.14 CPR 9 SR 3
Exploitation Mechanism
- Attack Complexity: Low
- Attack Vector: Network
- Privileges Required: None
- User Interaction: None
- Scope: Unchanged
- Vector String: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Mitigation and Prevention
Protecting systems from CVE-2020-13573 is crucial to maintaining security.
Immediate Steps to Take
- Apply vendor-supplied patches promptly.
- Implement network segmentation to limit exposure.
- Monitor network traffic for any suspicious activity.
Long-Term Security Practices
- Regularly update and patch all software and firmware.
- Conduct security assessments and penetration testing.
- Educate users on recognizing and avoiding phishing attempts.
Patching and Updates
Ensure that Rockwell Automation RSLinx Classic 2.57.00.14 CPR 9 SR 3 is updated with the latest patches to mitigate the vulnerability.