What is CVE-2021-30621?

CVE-2021-30621 is a medium-severity vulnerability in Microsoft Edge, classified under Authentication Bypass by Spoofing. CVSS score: 6.5/10. Published 2021-09-03.

How severe is CVE-2021-30621?

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

Vulnerability in Microsoft Edge

CVE-2021-30621

Chromium: CVE-2021-30621 UI Spoofing in Autofill

EPSS: 0.035 (87.8th 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:N/I:H/A:N.

Affected products

Microsoft Edge
Microsoft Edge_chromium
Microsoft Edge (Chromium-based) — versions unspecified
Fedoraproject Fedora — versions 35

Weakness classification (CWE)

CWE-290 — Authentication Bypass by Spoofing

References

chrome-cve-admin@google.com (Patch, x_refsource_MISC, Vendor Advisory)
chrome-cve-admin@google.com (x_refsource_FEDORA, vendor-advisory)

Frequently asked questions

What is CVE-2021-30621?: CVE-2021-30621 is a medium-severity vulnerability in Microsoft Edge, classified under Authentication Bypass by Spoofing. CVSS score: 6.5/10. Published 2021-09-03.
How severe is CVE-2021-30621?: Medium severity. CVSS v3 base score is 6.5 out of 10.