CVE-2024-20301

MEDIUM
6.2
CVSS Score
Published: March 6, 2024 at 04:28 PM UTC
Updated: June 17, 2026 at 07:06 AM UTC
2 products affected across 1 vendorDuo Authentication for Windows Logon and RDPDuo

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Severity
MEDIUM6.2
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

4.2.0 ≤ v < 4.3.0
Affected range stops below 4.3.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.2MEDIUMcisco
Attack Vector
PHYSICAL
Complexity
LOW
Privileges
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-287CWE-613

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