SB2020082022 - Remote code execution in IBM WebSphere Application Server
Published: August 20, 2020
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Deserialization of untrusted data (CVE-ID: CVE-2020-4589)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to insecure input validation when processing serialized data. A remote attacker can pass specially crafted data to the application and execute arbitrary code on the target system.
The vulnerability only occurs if an undocumented customization has been applied by an administrator.
Remediation
Install update from vendor's website.