CVE-2020-2760 : What You Need to Know
Learn about CVE-2020-2760, a vulnerability in Oracle MySQL Server allowing unauthorized access and DOS attacks. Find mitigation steps and patching details here.
A vulnerability in Oracle MySQL Server allows a high privileged attacker to compromise the server, potentially leading to a denial of service (DOS) attack and unauthorized data access.
Understanding CVE-2020-2760
This CVE pertains to a vulnerability in the MySQL Server product of Oracle MySQL, affecting versions 5.7.29 and prior, as well as 8.0.19 and prior.
What is CVE-2020-2760?
The vulnerability in the MySQL Server product of Oracle MySQL, specifically in the InnoDB component, enables a high privileged attacker with network access to compromise the server. Successful exploitation can result in a DOS attack, unauthorized data access, and server crashes.
The Impact of CVE-2020-2760
The vulnerability has a CVSS 3.0 Base Score of 5.5, with integrity and availability impacts. Attackers can exploit this flaw to cause server crashes and gain unauthorized data access.
Technical Details of CVE-2020-2760
This section provides more technical insights into the vulnerability.
Vulnerability Description
The vulnerability allows attackers with network access to compromise the MySQL Server, leading to DOS attacks, server crashes, and unauthorized data access.
Affected Systems and Versions
- Affected Versions: MySQL Server 5.7.29 and prior, 8.0.19 and prior
Exploitation Mechanism
- Attack Complexity: Low
- Attack Vector: Network
- Privileges Required: High
- User Interaction: None
- Scope: Unchanged
- Confidentiality Impact: None
- Integrity Impact: Low
- Availability Impact: High
Mitigation and Prevention
To address CVE-2020-2760, follow these mitigation strategies:
Immediate Steps to Take
- Apply vendor patches promptly
- Monitor network traffic for any suspicious activity
- Restrict network access to the MySQL Server
Long-Term Security Practices
- Regularly update and patch MySQL Server
- Implement network segmentation to limit access
- Conduct security training for staff
Patching and Updates
- Oracle and other vendors have released patches to address this vulnerability. Ensure timely patching to protect your systems.