CVE-2020-2694 : Exploit Details and Defense Strategies
Learn about CVE-2020-2694, a vulnerability in Oracle MySQL Server allowing unauthorized data access. Find out the impacted versions and mitigation steps.
A vulnerability in Oracle MySQL Server allows unauthorized read access to data, impacting versions 8.0.18 and prior.
Understanding CVE-2020-2694
This CVE involves a vulnerability in MySQL Server that could be exploited by a low-privileged attacker with network access.
What is CVE-2020-2694?
The vulnerability in Oracle MySQL Server (component: Server: Information Schema) affects versions 8.0.18 and earlier. It allows a low-privileged attacker with network access via multiple protocols to compromise the server, potentially leading to unauthorized data access.
The Impact of CVE-2020-2694
Successful exploitation of this vulnerability can result in unauthorized read access to a subset of MySQL Server data. The CVSS 3.0 Base Score is 3.1, indicating low confidentiality impacts.
Technical Details of CVE-2020-2694
This section provides more technical insights into the vulnerability.
Vulnerability Description
The vulnerability in MySQL Server allows a low-privileged attacker to compromise the server, potentially leading to unauthorized data access.
Affected Systems and Versions
- Product: MySQL Server
- Vendor: Oracle Corporation
- Versions Affected: 8.0.18 and prior
Exploitation Mechanism
- Attack Complexity: High
- Attack Vector: Network
- Privileges Required: Low
- User Interaction: None
- Confidentiality Impact: Low
- Integrity Impact: None
- Availability Impact: None
- Vector String: CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
Mitigation and Prevention
Protecting systems from CVE-2020-2694 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply security patches provided by Oracle promptly.
- Monitor network traffic for any suspicious activity.
Long-Term Security Practices
- Regularly update and patch MySQL Server to mitigate known vulnerabilities.
- Implement network segmentation to limit the impact of potential breaches.
Patching and Updates
Regularly check for security updates and patches from Oracle to address vulnerabilities like CVE-2020-2694.