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Security Bulletin: A security vulnerability in IBM Rational ClearQuest with SSL/TLS communications (CVE-2016-2922)

Security Bulletin


IBM Rational ClearQuest is vulnerable to attacks on its SSL/TLS communications due to improper validation of server certificates.

Vulnerability Details

CVEID: CVE-2016-2922
DESCRIPTION: IBM ClearQuest (CQ OSLC linkages, EmailRelay) fails to check the SSL certificate against the requested hostname. It is subject to a man-in-the-middle attack with an impersonating server observing all the data transmitted to the real server.
CVSS Base Score: 3.7
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:L/I:N/A:N)


Affected Products and Versions

IBM Rational ClearQuest version 8 and 9 in the following components:

  • ClearQuest Web/CQ OSLC server/CM Server component, when configured to use SSL.
  • ClearQuest EmailRelay using secure connections.
ClearQuest version
9.0.1 through
9.0 through
8.0 through Affected
8.0.1 through Affected


Apply a fix pack as listed in the table below.

Affected Versions
Applying the fix
9.0.1 through
9.0 through
Install Rational ClearQuest Fix Pack 4 ( for 9.0.1
8.0.1 through
8.0 through
Install Rational ClearQuest Fix Pack 18 ( for 8.0.1

For 7.0.x, 7.1.x, 8.0.x and earlier releases, IBM recommends upgrading to a fixed, supported version/release/platform of the product.

Workarounds and Mitigations


Get Notified about Future Security Bulletins



Change History

9 August 2018: Originally 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.


Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.

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Document Information

Modified date:
09 August 2018