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Security Bulletin: Potential Denial of Service security vulnerability in Rational Synergy (CVE-2011-4461)

Security Bulletin


Potential Denial of Service (DoS) security vulnerability in IBM Rational Synergy due to a Java HashTable security vulnerability in Jetty (CVE-2011-4461).

Vulnerability Details

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CVE ID: CVE-2011-4461

IBM Rational Synergy is potentially vulnerable to Denial of Service attacks because one of its embedded components, Jetty, has a security vulnerability. The vulnerability is caused by insufficient randomization of hash data structures. A remote attacker could exploit this vulnerability to cause the consumption of CPU resources. Customers who are using IBM Rational Synergy may be impacted by this Jetty vulnerability which can cause performance or Denial of Service (DoS) issues.

CVSS Base Score: 2
CVSS Temporal Score: See for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:P)

Affected Products and Versions

All Rational Synergy supported platforms.


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Workarounds and Mitigations


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Change History

* 27 September 2012 - Original copy 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.

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Document Information

Modified date:
16 June 2018