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Vulnerability of Brocade Fabric OS: information disclosure via ESRS Server Credentials

Synthesis of the vulnerability 

An attacker can bypass access restrictions to data via ESRS Server Credentials of Brocade Fabric OS, in order to obtain sensitive information.
Impacted systems: FabricOS, Connectrix Switch.
Severity of this alert: 2/4.
Creation date: 04/02/2020.
Références of this alert: BSA-2020-906, CVE-2019-16203, DSA-2020-038, VIGILANCE-VUL-31505.

Description of the vulnerability 

An attacker can bypass access restrictions to data via ESRS Server Credentials of Brocade Fabric OS, in order to obtain sensitive information.
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This computer vulnerability bulletin impacts software or systems such as FabricOS, Connectrix Switch.

Our Vigil@nce team determined that the severity of this vulnerability 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 note.

Solutions for this threat 

Brocade Fabric OS: versions v8.2.2a and v8.2.1d.
Versions v8.2.2a and v8.2.1d are fixed:
  https://www.broadcom.com/support/

Dell EMC Connectrix B-Series Fabric OS: fixed versions.
Fixed versions are indicated in information sources.
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