CVE-2022-20662

Cisco Duo for macOS Authentication Bypass Vulnerability

Description

A vulnerability in the smart card login authentication of Cisco Duo for macOS could allow an unauthenticated attacker with physical access to bypass authentication. This vulnerability exists because the assigned user of a smart card is not properly matched with the authenticating user. An attacker could exploit this vulnerability by configuring a smart card login to bypass Duo authentication. A successful exploit could allow the attacker to use any personal identity verification (PIV) smart card for authentication, even if the smart card is not assigned to the authenticating user.

Category

6.1
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.03%
Vendor Advisory cisco.com
Affected: Cisco Cisco Duo
Published at:
Updated at:

References

Link Tags
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-duo-macOS-bypass-uKZNpXE6 mitigation vendor advisory

Frequently Asked Questions

What is the severity of CVE-2022-20662?
CVE-2022-20662 has been scored as a medium severity vulnerability.
How to fix CVE-2022-20662?
To fix CVE-2022-20662, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-20662 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-20662 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-20662?
CVE-2022-20662 affects Cisco Cisco Duo.
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