PT-2020-3916 · Microsoft · Active Directory Federation Services+1

Christopher Currens · Published 2020-09-08 · Updated 2023-12-31 · CVE-2020-0837

Positive Technologies (AI Summary)

CVSS v3.1

5.0

Medium

Base vector

AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L

Name of the Vulnerable Software and Affected Versions: Active Directory Federation Services (ADFS) (affected versions not specified)

Description: An elevation of privilege issue exists due to improper handling of multi-factor authentication requests by Active Directory Federation Services (ADFS). This could allow an attacker to bypass some authentication factors by sending a specially crafted authentication request. The issue is related to errors in authentication.

Recommendations: At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Improper Authentication

Weakness Enumeration

CWE-287

Related Identifiers

BDU:2020-04309

CVE-2020-0837

Affected Products

Active Directory Federation Services

Windows

References · 6

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0837 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-0837 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2020-0837 · Security Note
• https://bdu.fstec.ru/vul/2020-04309 · Security Note
• https://osv.dev/vulnerability/CVE-2020-0837 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2020-0837 · Vendor Advisory