What is CVE-2021-4323?

CVE-2021-4323 is a medium-severity vulnerability in Google Chrome. CVSS score: 6.5/10. Published 2023-07-29.

How severe is CVE-2021-4323?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Google Chrome

CVE-2021-4323

Insufficient validation of untrusted input in Extensions in Google Chrome prior to 90.0.4430.72 allowed an attacker who convinced a user to install a malicious extension to access local files via a crafted Chrome Extension. (Chromium security severity: Medium)

EPSS: 0.004 (32.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.

Affected products

Google Chrome — versions 90.0.4430.72

References

chrome-cve-admin@google.com (Release Notes, Vendor Advisory)
chrome-cve-admin@google.com (Exploit, Issue Tracking, Vendor Advisory)
chrome-cve-admin@google.com

Frequently asked questions

What is CVE-2021-4323?: CVE-2021-4323 is a medium-severity vulnerability in Google Chrome. CVSS score: 6.5/10. Published 2023-07-29.
How severe is CVE-2021-4323?: Medium severity. CVSS v3 base score is 6.5 out of 10.