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CVE-2020-16996

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CVE-2020-16996

Published: Dec 9, 2020

Modified: Aug 28, 2025

PUBLISHED

CVSS v3.1

6.5

MEDIUM

Description

Kerberos Security Feature Bypass Vulnerability

VendorProductVersions

Microsoft

Windows Server 2019

affected
10.0.17763.0 - < 10.0.17763.1817

Microsoft

Windows Server 2019 (Server Core installation)

affected
10.0.17763.0 - < 10.0.17763.1817

Microsoft

Windows Server, version 1909 (Server Core installation)

affected
10.0.0 - < 10.0.18363.1440

Microsoft

Windows Server, version 1903 (Server Core installation)

affected
10.0.0 - < publication

Microsoft

Windows Server version 2004

affected
10.0.0 - < 10.0.19043.867

Microsoft

Windows Server 2016

affected
10.0.14393.0 - < 10.0.14393.4283

Microsoft

Windows Server 2016 (Server Core installation)

affected
10.0.14393.0 - < 10.0.14393.4283

Microsoft

Windows Server 2012

affected
6.2.9200.0 - < 6.2.9200.23298

Microsoft

Windows Server 2012 (Server Core installation)

affected
6.2.9200.0 - < 6.2.9200.23298

Microsoft

Windows Server 2012 R2

affected
6.3.9600.0 - < 6.3.9600.19968

Microsoft

Windows Server 2012 R2 (Server Core installation)

affected
6.3.9600.0 - < 6.3.9600.19968

Microsoft

Windows Server version 20H2

affected
10.0.0 - < 10.0.19043.867

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

None

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