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Vulnerability of IBM WebSphere Application Server: information disclosure

Synthesis of the vulnerability 

An attacker can bypass access restrictions to data of WebSphere Application Server, in order to obtain sensitive information.
Impacted software: Rational ClearCase, Tivoli System Automation, WebSphere AS Traditional, WebSphere MQ.
Severity of this computer vulnerability: 2/4.
Creation date: 28/04/2020.
Références of this announce: 6201862, 6203774, 6208019, 6255994, CVE-2020-4329, VIGILANCE-VUL-32110.

Description of the vulnerability 

An attacker can bypass access restrictions to data of WebSphere Application Server, in order to obtain sensitive information.
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This computer vulnerability announce impacts software or systems such as Rational ClearCase, Tivoli System Automation, WebSphere AS Traditional, WebSphere MQ.

Our Vigil@nce team determined that the severity of this cybersecurity bulletin is medium.

The trust level is of type confirmed by the editor, with an origin of user account.

An attacker with a expert ability can exploit this threat alert.

Solutions for this threat 

IBM WebSphere Application Server: patch.
A patch is available:
  https://www.ibm.com/support/pages/node/6198862

IBM MQ: fixed versions for IBM WebSphere Liberty.
Fixed versions are indicated in information sources.

IBM Rational ClearCase: patch for WebSphere AS.
A patch is indicated in information sources.

IBM Tivoli System Automation Application Manager: patch for WebSphere AS.
A patch is indicated in information sources.
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Computer vulnerabilities tracking service 

Vigil@nce provides application vulnerability analysis. The Vigil@nce security watch publishes vulnerability bulletins about threats impacting the information system.