CVE-2020-10740 : What You Need to Know

A vulnerability in Wildfly versions before 20.0.0.Final allows a remote deserialization attack in Enterprise Application Beans (EJB) due to lacking validation/filtering capabilities.

Understanding CVE-2020-10740

This CVE involves a high-risk vulnerability in Wildfly that can lead to a remote deserialization attack.

What is CVE-2020-10740?

The vulnerability in Wildfly versions before 20.0.0.Final enables a remote attacker to execute a deserialization attack in Enterprise Application Beans (EJB) by exploiting the absence of proper validation/filtering mechanisms.

The Impact of CVE-2020-10740

The impact of this CVE is rated as medium severity with a CVSS base score of 6.6. The confidentiality, integrity, and availability of affected systems are at high risk.

Technical Details of CVE-2020-10740

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability allows for a remote deserialization attack in Wildfly due to inadequate validation/filtering in Enterprise Application Beans (EJB).

Affected Systems and Versions

Product: Wildfly
Vendor: [UNKNOWN]
Versions Affected: Versions before 20.0.0.Final

Exploitation Mechanism

Attack Complexity: HIGH
Attack Vector: NETWORK
Privileges Required: HIGH
User Interaction: NONE
Scope: UNCHANGED
Vector String: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

Mitigation and Prevention

Protecting systems from CVE-2020-10740 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply patches or updates provided by the vendor.
Implement network-level security controls to prevent unauthorized access.

Long-Term Security Practices

Regularly monitor and audit system logs for any suspicious activities.
Conduct security assessments and penetration testing to identify vulnerabilities.

Patching and Updates

Ensure all systems running Wildfly are updated to version 20.0.0.Final or later to mitigate the vulnerability.