Cloud Vulnerability DB
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Vulnerability DatabaseCVE-2020-1284
CVE-2020-1284:
vulnerability analysis and mitigation
Overview
A denial of service vulnerability exists in the Microsoft Server Message Block 3.1.1 (SMBv3) protocol that affects how it handles certain requests, identified as CVE-2020-1284. This vulnerability was disclosed in June 2020 as part of Microsoft's regular Patch Tuesday updates (WeLiveSecurity, NVD).
Technical details
The vulnerability has been assigned a CVSS v3.1 base score of 6.5 (Medium) with the vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H. The vulnerability exists in how the SMBv3 protocol processes certain requests, which could lead to system crashes (NVD).
Impact
If successfully exploited, this vulnerability could allow an attacker to cause a denial of service condition by crashing vulnerable systems. The attack affects the availability of the system while maintaining no impact on confidentiality or integrity (WeLiveSecurity).
Exploitability
The vulnerability requires network access and user interaction for successful exploitation. It was rated as 'exploitation more likely' on Microsoft's Exploitability Index (WeLiveSecurity).
Mitigation and workarounds
Microsoft released security updates to address this vulnerability as part of their June 2020 Patch Tuesday updates. Users are advised to apply the available security updates to affected systems (NVD).
Additional resources
Source: This report was generated using AI
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