IBM Support

Security Bulletin: WebSphere Application Server is vulnerable to a Privilege Escalation vulnerability (CVE-2021-29754)

Security Bulletin


Summary

WebSphere Application Server is vulnerable to a privilege escalation vulnerability. This has been addressed.

Vulnerability Details

CVEID:   CVE-2021-29754
DESCRIPTION:   IBM WebSphere Application Server is vulnerable to a privilege escalation vulnerability when using the SAML Web Inbound Trust Association Interceptor (TAI).
CVSS Base score: 4.2
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/202006 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N)

Affected Products and Versions

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

Remediation/Fixes

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

For V9.0.0.0 through 9.0.5.7:
· Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PH36253
--OR--
· Apply Fix Pack 9.0.5.8 or later (targeted availability 2Q2021). 

For V8.5.0.0 through 8.5.5.19:
· Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PH36253
--OR--
· Apply Fix Pack 8.5.5.20 or later (targeted availability 3Q2021). 

For V8.0.0.0 through 8.0.0.15:
· Upgrade to 8.0.0.15 and then apply Interim Fix PH36253
 

For V7.0.0.0 through 7.0.0.45:
· Upgrade to 7.0.0.45 and  then apply Interim Fix PH36253
 

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

Mitigations for this issue are available. Please refer to the Interim Fix PH36253 for details.

Get Notified about Future Security Bulletins

References

Off

Change History

10 June 2021: Initial Publication

*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.

Disclaimer

According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES ""AS IS"" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.

Document Location

Worldwide

[{"Business Unit":{"code":"BU004","label":"Hybrid Cloud"},"Product":{"code":"SSEQTP","label":"WebSphere Application Server"},"Component":"","Platform":[{"code":"PF002","label":"AIX"},{"code":"PF010","label":"HP-UX"},{"code":"PF012","label":"IBM i"},{"code":"PF016","label":"Linux"},{"code":"PF027","label":"Solaris"},{"code":"PF033","label":"Windows"},{"code":"PF035","label":"z/OS"}],"Version":"7.0, 8.0, 8.5, 9.0","Edition":"Advanced,Base,Developer,Enterprise,Express,Network Deployment,Single Server"}]

Document Information

Modified date:
10 June 2021

UID

ibm16462627