description: A vulnerability in Cisco Duo Authentication for Windows Logon and RDP could allow an authenticated, physical attacker to bypass secondary authentication and access an affected Windows device.
This vulnerability is due to a failure to invalidate locally created trusted sessions after a reboot of the affected device. 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 permissions.
problem types: Improper Authentication
affected:
{
vendor: Cisco
product: Cisco Duo
versions:
version: 1.0.1, status: affected
version: 1.0.2, status: affected
version: 1.0.3, status: affected
version: 1.0.4, status: affected
version: 1.1.0, status: affected
version: 1.1.1, status: affected
version: 2.0.0, status: affected
}
metrics:
format: cvssV3_1
cvssV3_1: [
version: 3.1
vectorString: CVSS:3.1/AV:P/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
baseScore: 6.2
baseSeverity: MEDIUM
attackVector: PHYSICAL
attackComplexity: LOW
privilegesRequired: HIGH
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
]
exploits: The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory.