CVE-2023-20199 MEDIUM

CVE-2023-20199: Cisco Duo Two-Factor Authentication for macOS Authentication Bypass Vulnerability

Vendor Cisco
Product Cisco Duo
Weakness CWE-287 · Improper authentication
Published June 28, 2023
Last update August 2, 2024

CVSS base score

6.2/10
Attack vector Physical
Attack complexity Low
Privileges required High
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

A vulnerability in Cisco Duo Two-Factor Authentication for macOS could allow an authenticated, physical attacker to bypass secondary authentication and access an affected macOS device. This vulnerability is due to the incorrect handling of responses from Cisco Duo when the application is configured to fail open. An attacker with primary user credentials could exploit this vulnerability by attempting to authenticate to an affected device. A successful exploit could allow the attacker to access the affected device without valid permission.

Key dates

02Disclosure timeline

June 28, 2023 CVE published
August 2, 2024 Record updated