CVE-2020-8486 Explained : Impact and Mitigation
Learn about CVE-2020-8486, a vulnerability in ABB System 800xA RNRP allowing data injection by authenticated local attackers. Find mitigation steps and affected systems here.
A vulnerability in ABB System 800xA RNRP allows an attacker authenticated on the local system to inject data, affecting node redundancy handling.
Understanding CVE-2020-8486
This CVE involves insufficient protection of inter-process communication functions in ABB System 800xA RNRP, potentially leading to data injection by an attacker with local system access.
What is CVE-2020-8486?
The vulnerability in ABB System 800xA RNRP allows an authenticated attacker on the local system to inject data, impacting node redundancy handling.
The Impact of CVE-2020-8486
The vulnerability has a CVSS base score of 6.6, with a medium severity rating. It poses a high availability impact but low confidentiality and integrity impacts. The attack complexity is low, and user interaction is not required.
Technical Details of CVE-2020-8486
This section provides more technical insights into the vulnerability.
Vulnerability Description
The vulnerability arises from insufficient protection of inter-process communication functions in ABB System 800xA RNRP, enabling data injection by authenticated local attackers.
Affected Systems and Versions
- Product: ABB 800xA RNRP
- Vendor: ABB
- Versions: All published versions
Exploitation Mechanism
The vulnerability can be exploited by an attacker authenticated on the local system to inject data and affect node redundancy handling.
Mitigation and Prevention
Protecting systems from CVE-2020-8486 is crucial to maintaining security.
Immediate Steps to Take
- Apply vendor-supplied patches or updates promptly.
- Monitor system logs for any suspicious activities.
- Restrict access to critical systems and ensure strong authentication mechanisms.
Long-Term Security Practices
- Conduct regular security assessments and audits.
- Implement network segmentation to limit the impact of potential breaches.
- Educate users on security best practices to prevent unauthorized access.
Patching and Updates
- Regularly check for security advisories from ABB and apply patches as soon as they are available.