CVE-2020-14307 : Vulnerability Insights and Analysis
Learn about CVE-2020-14307, a vulnerability in Wildfly's EJB versions shipped with Red Hat JBoss EAP 7, allowing denial of service attacks. Find mitigation steps and impacted systems.
A vulnerability in Wildfly's Enterprise Java Beans (EJB) versions shipped with Red Hat JBoss EAP 7 allows for a denial of service attack, impacting availability.
Understanding CVE-2020-14307
This CVE identifies a flaw in the handling of SessionOpenInvocations in EJB Client, affecting the server's InvocationTracker.
What is CVE-2020-14307?
The vulnerability in Wildfly's EJB versions enables attackers to create denial of service attacks, rendering the service unavailable.
The Impact of CVE-2020-14307
The vulnerability poses a medium severity risk with a CVSS base score of 6.5, impacting the availability of the service.
Technical Details of CVE-2020-14307
This section delves into the specifics of the vulnerability.
Vulnerability Description
- SessionOpenInvocations are not removed from the InvocationTracker post-response, leading to a denial of service risk.
Affected Systems and Versions
- Vendor: Red Hat
- Product: Wildfly
- Affected Version: JBoss EJB Client versions shipped with Red Hat JBoss EAP 7
Exploitation Mechanism
- Attack Vector: Network
- Attack Complexity: Low
- Privileges Required: Low
- User Interaction: None
- Scope: Unchanged
- Impact: High availability impact
Mitigation and Prevention
Protecting systems from CVE-2020-14307 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply vendor patches promptly
- Monitor network traffic for suspicious activity
- Implement network segmentation to limit attack surface
Long-Term Security Practices
- Regularly update and patch software
- Conduct security assessments and audits
- Educate users on security best practices
Patching and Updates
- Red Hat may release patches to address the vulnerability