QID 375637

Date Published: 2021-06-21

QID 375637: Cisco AnyConnect Secure Mobility Client for Windows with VPN Posture (HostScan) Module DLL Hijacking Vulnerability(cisco-sa-anyconnect-pos-dll-ff8j6dFv)

A vulnerability in the DLL loading mechanism 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.

Affected Products
Cisco AnyConnect Secure Mobility Client for Windows releases earlier than Release 4.10.01075 only if the VPN Posture (HostScan) Module is installed. Note: The ISE Posture Module is not affected by this vulnerability.

QID Detection Logic (Authenticated):
This checks for vulnerable version of AnyConnect Mobility Client using registry information.

A successful exploit could allow the attacker to execute arbitrary code on the affected device with SYSTEM privileges.
To exploit this vulnerability, the attacker must have valid credentials on the Windows system.

  • CVSS V3 rated as High - 6.7 severity.
  • CVSS V2 rated as High - 6.2 severity.
    • Solution

    Customers are advised to refer to cisco-sa-anyconnect-pos-dll-ff8j6dFv for more information.

    Vendor References

    CVEs related to QID 375637

    CVE-2021-1567 |
    Software Advisories
    Advisory ID Software Component Link
    cisco-sa-anyconnect-pos-dll-ff8j6dFv URL Logo tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-anyconnect-pos-dll-ff8j6dFv
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