Vulnerability Monitor

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CVE-2018-8340

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.

Published

2018-08-15T17:29:03.907

Last Modified

2024-11-21T04:13:38.740

Status

Modified

Source

[email protected]

Severity

CVSSv3.0: 6.5 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:S/C:P/I:N/A:N

Access Vector: NETWORK
Access Complexity: LOW
Authentication: SINGLE
Confidentiality Impact: PARTIAL
Integrity Impact: NONE
Availability Impact: NONE

Exploitability Score

8.0

Impact Score

2.9

Weaknesses

Type: Primary
NVD-CWE-noinfo

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	microsoft	windows_server_2012	r2	Yes
Operating System	microsoft	windows_server_2016	-	Yes
Operating System	microsoft	windows_server_2016	1709	Yes
Operating System	microsoft	windows_server_2016	1803	Yes

References

http://www.securityfocus.com/bid/105029 Third Party Advisory, VDB Entry ([email protected])
http://www.securitytracker.com/id/1041474 Third Party Advisory, VDB Entry ([email protected])
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8340 Patch, Vendor Advisory ([email protected])
http://www.securityfocus.com/bid/105029 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id/1041474 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8340 Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)