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Vulnerability of Cisco AnyConnect Secure Mobility Client: executing DLL code via Network Access Manager and Web Security Agent

Synthesis of the vulnerability 

An attacker can create a malicious Network Access Manager and Web Security Agent DLL, and then put it in the current directory of Cisco AnyConnect Secure Mobility Client, in order to execute code.
Impacted products: Cisco AnyConnect Secure Mobility Client.
Severity of this bulletin: 2/4.
Creation date: 13/01/2021.
Références of this threat: CERTFR-2021-AVI-030, cisco-sa-anyconnect-dll-injec-pQnryXLf, CSCvw16727, CVE-2021-1237, VIGILANCE-VUL-34311.

Description of the vulnerability 

An attacker can create a malicious Network Access Manager and Web Security Agent...
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This computer vulnerability alert impacts software or systems such as Cisco AnyConnect Secure Mobility Client.

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

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

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

Solutions for this threat 

Patches for this vulnerability are not yet public.
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