6.9
CVSSv2

CVE-2021-1366

Published: 17/02/2021 Updated: 07/11/2023
CVSS v2 Base Score: 6.9 | Impact Score: 10 | Exploitability Score: 3.4
CVSS v3 Base Score: 7.8 | Impact Score: 5.9 | Exploitability Score: 1.8
VMScore: 614
Vector: AV:L/AC:M/Au:N/C:C/I:C/A:C

Vulnerability Summary

A vulnerability in the interprocess communication (IPC) channel of Cisco AnyConnect Secure Mobility Client for Windows could allow an authenticated, local malicious user to perform a DLL hijacking attack on an affected device if the VPN Posture (HostScan) Module is installed on the AnyConnect client. This vulnerability is due to insufficient validation of resources that are loaded by the application at run time. An attacker could exploit this vulnerability by sending a crafted IPC message to the AnyConnect process. A successful exploit could allow the malicious user to execute arbitrary code on the affected machine with SYSTEM privileges. To exploit this vulnerability, the attacker needs valid credentials on the Windows system.

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cisco anyconnect secure mobility client

Vendor Advisories

A vulnerability in the interprocess communication (IPC) channel of Cisco AnyConnect Secure Mobility Client for Windows could allow an authenticated, local attacker to perform a DLL hijacking attack on an affected device if the VPN Posture (HostScan) Module is installed on the AnyConnect client This vulnerability is due to insufficient validation o ...

Github Repositories

Cisco AnyConnect Posture (HostScan) Local Privilege Escalation: CVE-2021-1366

CVE-2021-1366 Cisco AnyConnect Posture (HostScan) Local Privilege Escalation: CVE-2021-1366 A vulnerability in the interprocess communication (IPC) channel of Cisco AnyConnect Secure Mobility Client for Windows could allow an authenticated, local attacker to perform a DLL hijacking attack on an affected device if the VPN Posture (HostScan) Module is installed on the AnyConnect