CVE-2020-1301
vulnerability analysis and mitigation

Overview

A remote code execution vulnerability identified as CVE-2020-1301 was discovered in Microsoft Server Message Block 1.0 (SMBv1) server. The vulnerability was disclosed on June 9, 2020, and affects various versions of Microsoft Windows operating systems. This security flaw exists in the way that the SMBv1 server handles certain requests (NVD, CVE Mitre).

Technical details

The vulnerability has been assigned a CVSS score of 7.0, indicating a high severity level. The attack vector is network-based (AV:N), with low attack complexity (AC:L), requiring single authentication (Au:S), and can potentially compromise partial confidentiality, integrity, and availability (C:P/I:P/A:P) (Rapid7).

Impact

If successfully exploited, this vulnerability could allow an authenticated attacker to execute remote code on the target system through the SMBv1 server. The impact includes potential compromise of system confidentiality, integrity, and availability (NVD).

Mitigation and workarounds

Microsoft has released security updates to address this vulnerability across multiple Windows versions, including Windows 10 (versions 1507 through 2004), Windows Server 2012, Windows Server 2012 R2, Windows Server 2016, and Windows Server 2019. Users are advised to apply the appropriate security updates (KB4557957, KB4560960, KB4561602, KB4561608, KB4561616, KB4561621, KB4561649, KB4561673, KB4561674) for their specific Windows version (Rapid7).

Additional resources


SourceThis report was generated using AI

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