Cisco Secure Client for Windows with Secure Firewall Posture Engine DLL Hijacking (cisco-sa-secure-dll-injection-AOyzEqSg)

high Nessus Plugin ID 232289

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Synopsis

The remote device is missing a vendor-supplied security patch.

Description

According to its self-reported version, Cisco Secure Client, formerly AnyConnect Secure Mobility Client, is affected by a vulnerability in the interprocess communication (IPC) channel of Cisco Secure Client for Windows could allow an authenticated, local attacker to perform a DLL hijacking attack on an affected device if the Secure Firewall Posture Engine, formerly HostScan, is installed on Cisco Secure 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 a specific Cisco Secure Client process. A successful exploit could allow the attacker to execute arbitrary code on the affected machine with SYSTEM privileges. To exploit this vulnerability, the attacker must have valid user credentials on the Windows system.

Please see the included Cisco BID and Cisco Security Advisory for more information.

Solution

Upgrade to the relevant fixed version referenced in Cisco bug ID CSCwn03265

Plugin Details

Severity: High

ID: 232289

File Name: cisco-sa-secure-dll-injection-AOyzEqSg.nasl

Version: 1.1

Type: local

Agent: windows

Family: CISCO

Published: 3/7/2025

Updated: 3/7/2025

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.0

CVSS v2

Risk Factor: Medium

Base Score: 6.2

Temporal Score: 4.6

Vector: CVSS2#AV:L/AC:L/Au:S/C:C/I:C/A:N

CVSS Score Source: CVE-2025-20206

CVSS v3

Risk Factor: High

Base Score: 7.1

Temporal Score: 6.2

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:cisco:secure_client, cpe:/a:cisco:anyconnect_secure_mobility_client

Required KB Items: installed_sw/Cisco AnyConnect Secure Mobility Client

Exploit Ease: No known exploits are available

Patch Publication Date: 3/5/2025

Vulnerability Publication Date: 3/5/2025

Reference Information

CVE: CVE-2025-20206

CWE: 347

CISCO-SA: cisco-sa-secure-dll-injection-AOyzEqSg

IAVA: 2025-A-0140

CISCO-BUG-ID: CSCwn03265

Detections

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