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Security Bulletin: This Power System update is being released to address CVE 2021-38961

Security Bulletin


POWER9: In response to a security issue with the BMC's web server, a new Power System firmware update is being released to address Common Vulnerabilities and Exposures issue number CVE 2021-38961. 

Vulnerability Details

CVEID:   CVE-2021-38961
DESCRIPTION:   IBM OPENBMC is vulnerable to cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session.
CVSS Base score: 6.1
CVSS Temporal Score: See: for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N)

Affected Products and Versions

Affected Product(s)Version(s)


Customers with the products below running OP910, install OP910.60:
1) IBM Power System AC922 (8335-GTG)

Customers with the products below running OP910, install OP910.60.C:
1) IBM Power System AC922 (8335-GTC, 8335-GTW)

Workarounds and Mitigations


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Change History

27 Oct 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.


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


[{"Business Unit":{"code":"BU009","label":"Systems - Server"},"Product":{"code":"AC922_311","label":"Power 9 AC922-\u0026gt;8335-\u0026gt;GTG"},"Component":"BMC","Platform":[{"code":"PF050","label":"BMC"}],"Version":"OP910","Edition":""}]

Document Information

Modified date:
22 December 2021