CVE-2020-6562: 
Google Chrome vulnerability analysis and mitigation

CVE-2020-6562 is a security vulnerability discovered in Google Chrome's Blink engine prior to version 85.0.4183.83. The vulnerability was reported by Masato Kinugawa on May 27, 2020, and involves insufficient policy enforcement in Blink that could allow a remote attacker to leak cross-origin data through a crafted HTML page (Chrome Release).

The vulnerability is classified as a Medium severity issue with a CVSS v3.1 base score of 6.5 (MEDIUM) and vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N. It is categorized under CWE-79 (Improper Neutralization of Input During Web Page Generation) and affects the Blink rendering engine in Google Chrome (NVD).

When exploited, this vulnerability allows remote attackers to leak cross-origin data through specially crafted HTML pages. The attack requires user interaction and can potentially lead to information disclosure across different origins (NVD).

The vulnerability requires user interaction to be exploited, with the attack vector being network-based (remote). The attack complexity is rated as low, requiring no special privileges for exploitation (NVD).

The vulnerability was patched in Google Chrome version 85.0.4183.83. Users and administrators are advised to upgrade to this version or later to mitigate the risk. The fix was also incorporated into various Linux distributions including Debian, Fedora, and OpenSUSE through their respective security updates (Chrome Release, Debian Security).