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Security Bulletin: Vulnerability in SSLv3 affects IBM Notes (CVE-2014-3566)

Security Bulletin


Security Bulletin: Vulnerability in SSLv3 (POODLE) affects IBM Notes (CVE-2014-3566)

Vulnerability Details

CVEID: CVE-2014-3566

IBM Notes could allow a remote attacker to obtain sensitive information, caused by a design error when using the SSLv3 protocol. A remote user with the ability to conduct a man-in-the-middle attack could exploit this vulnerability via the POODLE (Padding Oracle On Downgraded Legacy Encryption) attack to decrypt SSL sessions and calculate the plain text of secure connections.

CVSS Base Score: 4.3
CVSS Temporal Score: See for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:M/Au:N/C:P/I:N/A:N)

Affected Products and Versions

IBM Notes 9.0.1 Fix Pack 2 and earlier
IBM Notes 9.0
IBM Notes 8.5.3 Fix Pack 6 and earlier
IBM Notes 8.5.2 Fix Pack 4 and earlier
IBM Notes 8.5.1 Fix Pack 5 and earlier


IBM has released Interim Fixes for Notes client that implement TLS 1.0 for HTTP to protect against the POODLE attack. Follow the links below for download the latest Interim Fixes:

In addition, IBM intends to provide hotfixes for other 8.5.x or 9.x releases. Contact IBM to open a PMR via the IBM Support Portal if you require a hotfix for these other releases.

Workarounds and Mitigations

IBM recommends that you review your entire environment to identify areas that enable the SSLv3 protocol and take appropriate mitigation and remediation actions. The most immediate mitigation action that can be taken is disabling SSLv3. You should verify disabling SSLv3 does not cause any compatibility issues.

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Related information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

*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 Notes

Software version:,,, 9.0,

Operating system(s): Linux, Windows, iOS

Software edition: Basic, Social Edition, Standard

Reference #: 1692551

Modified date: 22 December 2014