CVE-2020-1371
vulnerability analysis and mitigation

Overview

An elevation of privilege vulnerability (CVE-2020-1371) exists in the Windows Event Logging Service due to improper memory handling. The vulnerability was discovered and assigned in November 2019, with Microsoft releasing security updates in July 2020 (MITRE CVE). This vulnerability affects multiple versions of Microsoft Windows, including Windows 10, Windows 7 SP1, Windows 8.1, Windows RT 8.1, and various Windows Server versions (NVD).

Technical details

The vulnerability has been assigned a CVSS v3.1 base score of 7.8 (High) with the vector AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. The flaw is categorized under CWE-269, indicating improper privilege management. To successfully exploit this vulnerability, an attacker would first need to gain execution privileges on the target system (NVD).

Impact

If successfully exploited, this vulnerability allows an attacker to elevate their privileges on the affected system and execute code in the context of higher privileges. This could potentially lead to complete system compromise if the attacker gains administrative privileges (MITRE CVE).

Exploitability

The vulnerability requires local access and low privileges to exploit. An attacker must first gain execution on the victim system before they can attempt to exploit this vulnerability. The attack complexity is considered low, meaning it does not require special conditions to execute (NVD).

Mitigation and workarounds

Microsoft has released security updates to address this vulnerability across all affected versions of Windows. Users are advised to apply the appropriate security updates through Windows Update or Microsoft's security guidance portal (MSRC Portal).

Additional resources


SourceThis report was generated using AI

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