CVE-2020-0837

ADFS MFA Elevation of Privilege Vulnerability

State
Published
Severity
5.0 Medium
Published
Sep 11, 2020
Updated
Aug 4, 2024
Reserved
Nov 4, 2019

Read the record on cve.org

Description

<p>An elevation of privilege vulnerability exists when Active Directory Federation Services (ADFS) improperly handles multi-factor authentication requests. An attacker who successfully exploited this vulnerability could bypass some, but not all, of the authentication factors.</p> <p>To exploit this vulnerability, an attacker could send a specially crafted authentication request.</p> <p>This security update corrects how ADFS handles multi-factor authentication requests.</p>

Scores

CVSSScoreVectorSource
3.15.0 MediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:Cmicrosoft

Weaknesses

The record names no weakness.

Affected Products

ProductVersions
Windows 10 Version 1809Microsoft
  • 10.0.0 to before publicationAffected
Windows Server 2019Microsoft
  • 10.0.0 to before publicationAffected
Windows Server 2019 (Server Core installation)Microsoft
  • 10.0.0 to before publicationAffected
Windows 10 Version 1909Microsoft
  • 10.0.0 to before publicationAffected
Windows Server, version 1909 (Server Core installation)Microsoft
  • 10.0.0 to before publicationAffected
Windows 10 Version 1903 for 32-bit SystemsMicrosoft
  • 10.0.0 to before publicationAffected
Windows 10 Version 1903 for x64-based SystemsMicrosoft
  • 10.0.0 to before publicationAffected
Windows 10 Version 1903 for ARM64-based SystemsMicrosoft
  • 10.0.0 to before publicationAffected
Windows Server, version 1903 (Server Core installation)Microsoft
  • 10.0.0 to before publicationAffected
Windows 10 Version 2004Microsoft
  • 10.0.0 to before publicationAffected
Windows Server version 2004Microsoft
  • 10.0.0 to before publicationAffected
Windows 10 Version 1607Microsoft
  • 10.0.0 to before publicationAffected
Windows Server 2016Microsoft
  • 10.0.0 to before publicationAffected
Windows Server 2016 (Server Core installation)Microsoft
  • 10.0.0 to before publicationAffected

References

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