Cloud Vulnerability DB
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Vulnerability DatabaseCVE-2020-0748
CVE-2020-0748:
vulnerability analysis and mitigation
Overview
An information disclosure vulnerability exists in the Cryptography Next Generation (CNG) service of Windows operating systems when it fails to properly handle objects in memory. This vulnerability, identified as CVE-2020-0748 and also known as 'Windows Key Isolation Service Information Disclosure Vulnerability', was disclosed in February 2020 (NVD, CVE).
Technical details
The vulnerability has been assigned a CVSS v3.1 base score of 5.5 (Medium) with the vector string CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N, indicating local access is required with low attack complexity. Under CVSS v2.0, it received a base score of 2.1 (Low) with the vector (AV:L/AC:L/Au:N/C:P/I:N/A:N) (NVD).
Impact
The vulnerability could allow an attacker to obtain sensitive information from the affected system's memory. The impact is limited to information disclosure, with no direct impact on system integrity or availability (NVD).
Mitigation and workarounds
Microsoft has released a security update that addresses the vulnerability by correcting how the CNG service handles objects in memory (Microsoft Advisory).
Additional resources
Source: This report was generated using AI
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