CVE-2021-33970: 
Chromium vulnerability analysis and mitigation

Buffer Overflow vulnerability in Qihoo 360 Chrome version 13.0.2170.0 allows attackers to escalate privileges. The vulnerability was assigned CVE-2021-33970 and received a CVSS v3.1 base score of 10.0 CRITICAL (NVD).

The vulnerability is classified as a Buffer Overflow (CWE-843: Access of Resource Using Incompatible Type - 'Type Confusion'). It has a critical severity rating with CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H, indicating network accessibility, low attack complexity, no privileges required, and no user interaction needed (NVD).

The vulnerability has critical impact potential, affecting all three security properties - confidentiality, integrity, and availability at high levels. Successful exploitation could allow an attacker to gain elevated privileges on the affected system (NVD).

The vulnerability has been demonstrated to be exploitable, with proof-of-concept code available. A security researcher has published exploit demonstrations on their channel and blog (Memory Corruptor, YouTube Channel).

The vulnerability was reported through Qihoo 360's security bounty program and received a bounty payment of 764.18 USD for its critical severity (Memory Corruptor).