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Security Bulletin: IBM QRadar Network Security is affected by a less-secure algorithm during negotiations vulnerability (CVE-2017-1491)

Security Bulletin


IBM QRadar Network Security has addressed less-secure algorithm during negotiations

Vulnerability Details

CVEID: CVE-2017-1491
 IBM QRadar Network Security supports interaction between multiple actors and allows those actors to negotiate which algorithm should be used as a protection mechanism such as encryption or authentication, but it does not select the strongest algorithm that is available to both parties.
CVSS Base Score: 5.9
CVSS Temporal Score: See for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N)

Affected Products and Versions

IBM QRadar Network Security 5.4


Product VRMF Remediation/First Fix
IBM QRadar Network Security Firmware version 5.4 Install Firmware from the Available Updates page of the Local Management Interface, or by performing a One Time Scheduled Installation from SiteProtector.
Download Firmware from IBM Security License Key and Download Center and upload and install via the Available Updates page of the Local Management Interface.

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

31 August 2017: 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.

Document information

More support for: IBM QRadar Network Security

Software version: 5.4

Operating system(s): Firmware

Reference #: 2007535

Modified date: 01 September 2017