Cloud Vulnerability DB
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Vulnerability DatabaseCVE-2021-42283
CVE-2021-42283:
vulnerability analysis and mitigation
Overview
CVE-2021-42283 is an NTFS Elevation of Privilege Vulnerability that was disclosed on November 9, 2021. This vulnerability affects Microsoft Windows systems and is unique from similar vulnerabilities CVE-2021-41367 and CVE-2021-41370 (NVD).
Technical details
The vulnerability has been assigned a CVSS v3.1 base score of 7.8 (High) with the vector string CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H by NIST, while Microsoft assessed it with a CVSS score of 8.8 (High) and vector string CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H. The vulnerability is classified under CWE-269 (Improper Privilege Management) (NVD).
Impact
If successfully exploited, this vulnerability could allow an attacker to gain elevated privileges on affected Windows systems, potentially leading to full system compromise with high impacts on confidentiality, integrity, and availability (NVD).
Mitigation and workarounds
Microsoft has released security updates to address this vulnerability. The fixes are available through various KB updates including KB5007186, KB5007189, KB5007192, KB5007205, KB5007206, KB5007207, KB5007215, KB5007245, and KB5007255 for different versions of Windows (Rapid7).
Additional resources
Source: This report was generated using AI
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