IBM Support

Security Bulletin: Vulnerability in the IBM FlashSystem models 840 and 900

Security Bulletin


There is a vulnerability to which the FlashSystem™ 840 and FlashSystem 900 are susceptible. An exploit of this vulnerability could make the system subject to an attack allowing an escalation of privilege. Only systems with 1.4 firmware installed are vulnerable.

Vulnerability Details

CVEID: CVE-2018-1822
DESCRIPTION: IBM FlashSystem product allows a specially crafted attack to gain administrative control or to deny service. 
CVSS Base Score: 9.8
CVSS Temporal Score: See for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

Affected Products and Versions

FlashSystem 840 machine type and models (MTMs) affected include 9840-AE1 and 9843-AE1
FlashSystem 900 MTMs affected include 9840-AE2 and 9843-AE2.


MTMs VRMF APAR Remediation/First Fix

FlashSystem 840 MTMs:

9840-AE1 & 9843-AE1

FlashSystem 900 MTMs:

9840-AE2 & 9843-AE2

Code fixes are now available. The minimum VRMF containing the fix depends on the code stream:

Fixed Code VRMF

1.5 stream:

1.4 stream:

N/A FlashSystem 840 fixes and FlashSystem 900 fixes are available @ IBM's Fix Central


Workarounds and Mitigations


Get Notified about Future Security Bulletins


Complete CVSS v3 Guide
On-line Calculator v3

Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog



Change History

1 October 2018 Original Version Published

*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.

Cross reference information
Product Component Platform Version Edition
IBM FlashSystem 840 Platform Independent All Versions

Document information

More support for: IBM FlashSystem 900

Version: All Versions

Operating system(s): Platform Independent

Reference #: 0732962

Modified date: 02 October 2018