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             AUSCERT External Security Bulletin Redistribution

        Privilege Escalation Vulnerability in WebSphere Application
                          Server (CVE-2020-4276)
                               26 March 2020


        AusCERT Security Bulletin Summary

Product:           WebSphere Application Server
Publisher:         IBM
Operating System:  Windows
                   UNIX variants (UNIX, Linux, OSX)
Impact/Access:     Increased Privileges -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2020-4276  

Original Bulletin: 

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Privilege Escalation Vulnerability in WebSphere Application Server

Security Bulletin


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

|Affected Product(s)         |Version(s)|
|WebSphere Application Server|9.0       |
|WebSphere Application Server|7.0       |
|WebSphere Application Server|8.0       |
|WebSphere Application Server|8.5       |


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

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

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

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

For V7.0.0.0 through
. Upgrade to 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

Workarounds and Mitigations


Get Notified about Future Security Bulletins


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