Security Bulletin: Privilege Escalation Vulnerability in WebSphere Application Server (CVE-2020-4276)

Summary

There is a privilege escalation vulnerability in WebSphere Application Server.

Vulnerability Details

CVEID:CVE-2020-4276
**DESCRIPTION:**IBM WebSphere Application Server traditional is vulnerable to a privilege escalation vulnerability when using token-based authentication in an admin request over the SOAP connector.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/175984 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H)

Affected Products and Versions

Remediation/Fixes

For WebSphere Application Server traditional and WebSphere Application Server Hypervisor Edition:

For V9.0.0.0 through 9.0.5.3:
· Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PH21511
--OR–
· Apply Fix Pack 9.0.5.4 or later (targeted availability 2Q2020).

For V8.5.0.0 through 8.5.5.17:
· Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PH21511
--OR–
· Apply Fix Pack 8.5.5.18 or later (targeted availability 3Q2020).

For V8.0.0.0 through 8.0.0.15:
· Upgrade to 8.0.0.15 and then apply Interim Fix PH21511

For V7.0.0.0 through 7.0.0.45:
· Upgrade to 7.0.0.45 and then apply Interim Fix PH21511

Additional interim fixes may be available and linked off the interim fix download page.

_WebSphere Application Server V7.0 and V8.0 are no longer in full support; IBM recommends upgrading to a fixed, supported version/release/platform of the product. _

Workarounds and Mitigations

None