CVEvulnerability
CVE-2020-0837
5.0 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2020-09-11
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 5.0 MEDIUM — CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L
- CVSS 3.1 ([email protected])
- 5.3 MEDIUM — CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N
- CVSS 2.0 ([email protected])
- 4.0 MEDIUM — AV:N/AC:L/Au:S/C:N/I:P/A:N
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>
Affected configurations
• microsoft windows 10 1607
• microsoft windows 10 1809
• microsoft windows 10 1903
• microsoft windows 10 1909
• microsoft windows 10 2004
• microsoft windows server 2016
• microsoft windows server 2016 1903
• microsoft windows server 2016 1909
• microsoft windows server 2016 2004
• microsoft windows server 2019
References
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0837 Patch, Vendor Advisory
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0837 Patch, Vendor Advisory