Security Bulletin: IBM WebSphere Application Server is vulnerable to a remote code execution vulnerability (CVE-2023-23477)

Summary

IBM WebSphere Application Server traditional is vulnerable to a remote code execution vulnerability. This has been addressed.

Vulnerability Details

CVEID:CVE-2023-23477
**DESCRIPTION:**IBM WebSphere Application Server traditional could allow a remote attacker to execute arbitrary code on the system with a specially crafted sequence of serialized objects.
CVSS Base score: 8.1
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/245513 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H)

Affected Products and Versions

Remediation/Fixes

IBM strongly recommends addressing the vulnerability now by upgrading to the fixpack specified below.

Please note that this vulnerability applies only to version 9.0.0.0 through 9.0.5.7 and version 8.5.0.0 through 8.5.5.19. It does not apply to fix pack version 9.0.5.8 and later, and it doesnot apply to fix pack version 8.5.5.20 and later.

For IBM WebSphere Application Server traditional:

For V9.0.0.0 through 9.0.5.7:
· Apply Fix Pack 9.0.5.8 or later.

For V8.5.0.0 through 8.5.5.19:
· Apply Fix Pack 8.5.5.20 or later.

Workarounds and Mitigations

None