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Vulnerability of Cisco ESA: Cross Site Scripting via Web-based Management Interface

Synthesis of the vulnerability 

An attacker can trigger a Cross Site Scripting via Web-based Management Interface of Cisco ESA, in order to run JavaScript code in the context of the web site.
Impacted systems: AsyncOS, Cisco ESA.
Severity of this alert: 2/4.
Creation date: 22/01/2020.
Références of this alert: CERTFR-2020-AVI-055, cisco-sa-email-sec-xss-EbjXuXwP, CSCvr60347, CVE-2020-3137, VIGILANCE-VUL-31409.

Description of the vulnerability 

An attacker can trigger a Cross Site Scripting via Web-based Management Interface of Cisco ESA, in order to run JavaScript code in the context of the web site.
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This cybersecurity bulletin impacts software or systems such as AsyncOS, Cisco ESA.

Our Vigil@nce team determined that the severity of this cybersecurity weakness 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 computer vulnerability bulletin.

Solutions for this threat 

Cisco ESA: solution CSCvr60347.
The solution is described on the Cisco site:
  https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvr60347
  https://tools.cisco.com/bugsearch/bug/CSCvr60347
  https://tools.cisco.com/quickview/bug/CSCvr60347
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