CVE-2021-30621
vulnerability analysis and mitigation

Overview

CVE-2021-30621 is a UI Spoofing vulnerability in the Autofill feature of Chromium-based browsers. The vulnerability was discovered in 2021 and affects versions prior to 93.0.4577.63. The issue impacts multiple browsers including Google Chrome and Microsoft Edge (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:H/A:N. It is classified under CWE-290 (Authentication Bypass by Spoofing). The vulnerability allows an attacker to spoof security UI through the Autofill feature (NVD).

Impact

If exploited, this vulnerability could allow a remote attacker to spoof security UI via a crafted HTML page, potentially leading to user deception and compromised security of the autofill feature (CVE).

Mitigation and workarounds

The vulnerability has been fixed in Chromium version 93.0.4577.63 and corresponding versions of dependent browsers. Users are advised to update their browsers to the latest version. For Microsoft Edge, the fix is available in version 93.0.961.38 (Fedora Advisory).

Additional resources


SourceThis report was generated using AI

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