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CVE-2023-20178

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CVE-2023-20178

Published: Jun 28, 2023

Modified: Aug 2, 2024

PUBLISHED

CVSS v3.1

7.8

HIGH

Description

A vulnerability in the client update process of Cisco AnyConnect Secure Mobility Client Software for Windows and Cisco Secure Client Software for Windows could allow a low-privileged, authenticated, local attacker to elevate privileges to those of SYSTEM. The client update process is executed after a successful VPN connection is established. This vulnerability exists because improper permissions are assigned to a temporary directory that is created during the update process. An attacker could exploit this vulnerability by abusing a specific function of the Windows installer process. A successful exploit could allow the attacker to execute code with SYSTEM privileges.

VendorProductVersions

Cisco

Cisco Secure Client

affected
4.9.00086
affected
4.9.01095
affected
4.9.02028
affected
4.9.03047
affected
4.9.03049

+19 more versions

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

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