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Vulnerability of Cisco ASA: Cross Site Scripting via WebVPN

Synthesis of the vulnerability 

An attacker can trigger a Cross Site Scripting via WebVPN of Cisco ASA, in order to run JavaScript code in the context of the web site.
Vulnerable software: ASA.
Severity of this announce: 2/4.
Creation date: 03/10/2019.
Références of this computer vulnerability: CERTFR-2019-AVI-481, cisco-sa-20191002-asa-xss, CSCvp33341, CVE-2019-12695, VIGILANCE-VUL-30511.

Description of the vulnerability 

An attacker can trigger a Cross Site Scripting via WebVPN of Cisco ASA, in order to run JavaScript code in the context of the web site.
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This vulnerability announce impacts software or systems such as ASA.

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

Solutions for this threat 

Cisco ASA: solution CSCvp33341.
The solution is described on the Cisco site:
  https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvp33341
  https://tools.cisco.com/bugsearch/bug/CSCvp33341
  https://tools.cisco.com/quickview/bug/CSCvp33341
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