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Vulnerability DatabaseCVE-2021-31962
CVE-2021-31962:
vulnerability analysis and mitigation
Overview
A Kerberos AppContainer Security Feature Bypass Vulnerability identified as CVE-2021-31962 was discovered and disclosed in April 2021. The vulnerability affects multiple versions of Microsoft Windows operating systems, including Windows 10, Windows Server 2016, Windows Server 2019, Windows 8.1, Windows RT 8.1, and Windows Server 2012 (NVD).
Technical details
The vulnerability received a CVSS v3.1 base score of 9.8 (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H), indicating high severity with network vector, low attack complexity, and no privileges or user interaction required. The CVSS v2 score was rated at 7.5 (AV:N/AC:L/Au:N/C:P/I:P/A:P) (NVD).
Impact
The vulnerability could allow an attacker to bypass security features in Windows Kerberos AppContainer, potentially compromising the confidentiality, integrity, and availability of affected systems (Rapid7).
Mitigation and workarounds
Microsoft has released security updates to address this vulnerability. The fixes are available through various KB updates including KB5003637, KB5003638, KB5003646, KB5003635, KB5003687, KB5003696, and KB5003681 for different affected Windows versions (Rapid7).
Additional resources
Source: This report was generated using AI
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