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Vulnerability of Cisco IOS, IOS XE: Cross Site Request Forgery via Web UI

Synthesis of the vulnerability 

An attacker can trigger a Cross Site Request Forgery via Web UI of Cisco IOS or IOS XE, in order to force the victim to perform operations.
Impacted systems: Cisco Catalyst, IOS by Cisco, IOS XE Cisco, Cisco Router.
Severity of this alert: 2/4.
Creation date: 09/01/2020.
Références of this alert: CERTFR-2020-AVI-014, cisco-sa-20200108-ios-csrf, CSCvq66030, CVE-2019-16009, VIGILANCE-VUL-31283.

Description of the vulnerability 

The Cisco IOS or IOS XE product offers a web service.

However, the origin of queries is not checked. They can for example originate from an image included in an HTML document.

An attacker can therefore trigger a Cross Site Request Forgery via Web UI of Cisco IOS or IOS XE, in order to force the victim to perform operations.
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This security vulnerability impacts software or systems such as Cisco Catalyst, IOS by Cisco, IOS XE Cisco, Cisco Router.

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

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

An attacker with a expert ability can exploit this security note.

Solutions for this threat 

Cisco IOS, IOS XE: solution CSCvq66030.
The solution is described on the Cisco site:
  https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvq66030
  https://tools.cisco.com/bugsearch/bug/CSCvq66030
  https://tools.cisco.com/quickview/bug/CSCvq66030
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