CVE-2023-20199

Medium

Description

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.

SeverityMedium

CVSS6.2

Exploit probability—

Product

Cisco Duo

PublishedJun 28, 2023

First seenJun 28, 2023

Weakness typeCWE-287Improper authentication

How to fix

Update

cisco duo2.0.2 or later

Vendor advisories

sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-duo-mac-bypass-OyZpVPnx

Affected products

Product	Affected versions	Fixed in
cisco duo	2.0.0 ≤ v < 2.0.2	2.0.2

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