What is CVE-2021-43221?

CVE-2021-43221 is a medium-severity vulnerability in Microsoft Edge Chromium, classified under Code Injection. CVSS score: 4.2/10. Published 2021-11-24.

How severe is CVE-2021-43221?

Medium severity. CVSS v3 base score is 4.2 out of 10.

RCE in Microsoft Edge Chromium

CVE-2021-43221

Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability

Vulnerability class: RCE (Remote Code Execution)

EPSS: 0.010 (58.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.2 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N.

Affected products

Microsoft Edge_chromium
Microsoft Edge (Chromium-based) — versions 1.0.0

Weakness classification (CWE)

CWE-94 — Code Injection

References

secure@microsoft.com (Patch, x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-43221?: CVE-2021-43221 is a medium-severity vulnerability in Microsoft Edge Chromium, classified under Code Injection. CVSS score: 4.2/10. Published 2021-11-24.
How severe is CVE-2021-43221?: Medium severity. CVSS v3 base score is 4.2 out of 10.