CVE-2021-31982: 
vulnerability analysis and mitigation

CVE-2021-31982 is a Security Feature Bypass Vulnerability affecting Microsoft Edge (Chromium-based). The vulnerability was discovered and reported to Microsoft in April 2021, with the CVE being assigned on April 30, 2021. The affected software versions include Microsoft Edge (Chromium-based) versions up to (excluding) 91.0.864.37 (NVD).

The vulnerability has been assigned a CVSS v3.1 base score of 8.8 (HIGH) with the following vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. This indicates that the vulnerability can be exploited over the network, requires low attack complexity, needs no privileges, but does require user interaction. The scope is unchanged, while the potential impact on confidentiality, integrity, and availability is high (NVD).

The vulnerability poses significant risks as it could allow an attacker to bypass security features in Microsoft Edge. With a CVSS score of 8.8, it demonstrates high potential impact across confidentiality, integrity, and availability, potentially allowing attackers to compromise sensitive information, modify data, or affect system availability (Rapid7).

The primary mitigation for this vulnerability is to upgrade to Microsoft Edge version 91.0.864.37 or later. Microsoft has released a security update to address this vulnerability (Microsoft).