CVE-2020-0837

ADFS MFA Elevation of Privilege Vulnerability

Medium · published September 11, 2020

CVSS v3.1
5.0
EPSS
1%
Percentile
72.9
In the wild
Unconfirmed
What it is

<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>

The record
Technical detail
CVSS v3.1
5.0 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
CVSS v4.0
Not supplied
EPSS
0.01436 · 72.9th percentile
Published
2020-09-11T17:08Z
EPSS history
Timeline
  • 11 SEP 17:08Z
    ADFS MFA Elevation of Privilege Vulnerability
    cvelistv5