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.
Published: 2023-06-28
Score: 7.8 High
EPSS: 5.4% Low
KEV: No
AI Analysis

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Remediation

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Tracking

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Advisories

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History

Fri, 09 Oct 2026 09:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Wed, 16 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.2548}

 epss

{'score': 0.25969}

Subscriptions

Cisco Anyconnect Secure Mobility Client Secure Client
cve-icon MITRE

Status: PUBLISHED

Assigner: cisco

Published:

Updated: 2026-10-08T21:14:03.615Z

Reserved: 2022-10-27T00:00:00.000Z

Link: CVE-2023-20178

cve-icon Vulnrichment

Updated: 2024-08-02T09:05:34.960Z

cve-icon NVD

Status : Modified

Published: 2023-06-28T15:15:09.880

Modified: 2026-10-08T22:17:22.420

Link: CVE-2023-20178

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses