CVE-2020-14853 : Security Advisory and Response
Learn about CVE-2020-14853, a vulnerability in Oracle MySQL Cluster allowing unauthorized access and partial denial of service. Find mitigation steps and technical details here.
A vulnerability in Oracle MySQL Cluster allows attackers to compromise the system, potentially leading to unauthorized data access and partial denial of service.
Understanding CVE-2020-14853
This CVE involves a vulnerability in the MySQL Cluster product of Oracle MySQL, specifically affecting versions 8.0.21 and prior.
What is CVE-2020-14853?
The vulnerability allows a low-privileged attacker with network access to compromise MySQL Cluster, potentially resulting in unauthorized data access and partial denial of service.
The Impact of CVE-2020-14853
- Successful exploitation can lead to unauthorized update, insert, or delete access to MySQL Cluster data.
- Attackers can cause a partial denial of service (partial DOS) on MySQL Cluster.
- CVSS 3.1 Base Score: 4.6 (Integrity and Availability impacts).
Technical Details of CVE-2020-14853
This section provides more technical insights into the vulnerability.
Vulnerability Description
The vulnerability in the MySQL Cluster product of Oracle MySQL allows attackers to compromise the system via multiple protocols.
Affected Systems and Versions
- Product: MySQL Cluster
- Vendor: Oracle Corporation
- Affected Versions: 8.0.21 and prior
Exploitation Mechanism
- Attack Complexity: Low
- Attack Vector: Network
- Privileges Required: Low
- User Interaction: Required
- Scope: Unchanged
- Integrity Impact: Low
- Availability Impact: Low
Mitigation and Prevention
Protecting systems from CVE-2020-14853 is crucial to prevent unauthorized access and service disruptions.
Immediate Steps to Take
- Apply security patches provided by Oracle promptly.
- Monitor network traffic for any suspicious activities.
- Restrict network access to vulnerable systems.
Long-Term Security Practices
- Regularly update and patch all software and systems.
- Conduct security training for employees to recognize and report potential threats.
- Implement network segmentation to limit the impact of potential breaches.
Patching and Updates
- Stay informed about security updates from Oracle and apply them as soon as they are available.