What is CVE-2021-30605?

CVE-2021-30605 is a high-severity vulnerability in Google Chrome, classified under Improper Authentication. CVSS score: 7.8/10. Published 2021-09-08.

How severe is CVE-2021-30605?

High severity. CVSS v3 base score is 7.8 out of 10.

Auth bypass in Google Chrome

CVE-2021-30605

Inappropriate implementation in the ChromeOS Readiness Tool installer on Windows prior to 1.0.2.0 loosens DCOM access rights on two objects allowing an attacker to potentially bypass discretionary access controls.

Vulnerability class: Broken Authentication

EPSS: 0.001 (2.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Google Chrome — versions unspecified
Google Chrome_os_readiness_tool
Microsoft Windows_10
Microsoft Windows_7
Microsoft Windows_8.1

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

chrome-cve-admin@google.com (Permissions Required, x_refsource_MISC)
chrome-cve-admin@google.com (Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-30605?: CVE-2021-30605 is a high-severity vulnerability in Google Chrome, classified under Improper Authentication. CVSS score: 7.8/10. Published 2021-09-08.
How severe is CVE-2021-30605?: High severity. CVSS v3 base score is 7.8 out of 10.