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Vulnerability of Cisco AsyncOS: overload via HTTP Request Headers

Synthesis of the vulnerability 

An attacker can trigger an overload via HTTP Request Headers of Cisco AsyncOS, in order to trigger a denial of service.
Impacted systems: AsyncOS, Cisco Content SMA, Cisco ESA, Cisco WSA.
Severity of this alert: 2/4.
Creation date: 04/03/2020.
Références of this alert: CERTFR-2020-AVI-128, cisco-sa-cont-sec-gui-dos-nJ625dXb, CSCvq96943, CSCvs33296, CSCvs33306, CVE-2020-3164, VIGILANCE-VUL-31727.

Description of the vulnerability 

An attacker can trigger an overload via HTTP Request Headers of Cisco AsyncOS, i...
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This computer weakness alert impacts software or systems such as AsyncOS, Cisco Content SMA, Cisco ESA, Cisco WSA.

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

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

An attacker with a expert ability can exploit this weakness bulletin.

Solutions for this threat 

Fixes for this vulnerability are not yet public.
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