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Vulnerability of Cisco Email Security Appliance: code execution via Unfiltered EXE

Synthesis of the vulnerability 

An attacker can use a vulnerability via Unfiltered EXE of Cisco Email Security Appliance, in order to run code.
Impacted systems: AsyncOS, Cisco ESA.
Severity of this alert: 2/4.
Creation date: 16/08/2018.
Références of this alert: CERTFR-2018-AVI-393, cisco-sa-20180815-esa-file-bypass, CSCvh03786, CVE-2018-0419, VIGILANCE-VUL-26993.

Description of the vulnerability 

An attacker can use a vulnerability via Unfiltered EXE of Cisco Email Security Appliance, in order to run code.
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This security weakness impacts software or systems such as AsyncOS, Cisco ESA.

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

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

An attacker with a expert ability can exploit this threat.

Solutions for this threat 

Cisco Email Security Appliance: solution CSCvh03786.
The solution is described on the Cisco site:
  https://tools.cisco.com/bugsearch/bug/CSCvh03786
  https://tools.cisco.com/quickview/bug/CSCvh03786
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