CVE-2018-8340 - Vulnerability Details - OpenCVE

A security feature bypass vulnerability exists when Active Directory Federation Services (AD FS) improperly handles multi-factor authentication requests, aka "AD FS Security Feature Bypass Vulnerability." This affects Windows Server 2016, Windows Server 2012 R2, Windows 10 Servers.

No CVSS v4.0

No CVSS v3.1

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction None

Access Vector Network

Access Complexity Low

Authentication Single

Confidentiality Impact Partial

Integrity Impact None

Availability Impact None

This CVE is not in the KEV list.

The EPSS score is 0.11319.

Key SSVC decision points have not yet been added.

Vendors	Products
Microsoft	Windows Server 2012 Windows Server 2016

Configuration 1 [-]

OR	cpe:2.3:o:microsoft:windows_server_2012:r2:::::::*
	cpe:2.3:o:microsoft:windows_server_2016:-:::::::*
	cpe:2.3:o:microsoft:windows_server_2016:1709:::::::*
	cpe:2.3:o:microsoft:windows_server_2016:1803:::::::*

No data.

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
http://www.securityfocus.com/bid/105029
http://www.securitytracker.com/id/1041474
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8340

History

Wed, 16 Jul 2025 13:45:00 +0000

Type	Values Removed	Values Added
Metrics	epss `{'score': 0.06808}`	epss `{'score': 0.06571}`

MITRE

Status: PUBLISHED

Assigner: microsoft

Published: 2018-08-15T17:00:00

Updated: 2024-08-05T06:54:35.395Z

Reserved: 2018-03-14T00:00:00

Link: CVE-2018-8340

Vulnrichment

No data.

NVD

Status : Modified

Published: 2018-08-15T17:29:03.907

Modified: 2024-11-21T04:13:38.740

Link: CVE-2018-8340

Redhat

No data.

OpenCVE Enrichment

No data.

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