CVE-2021-38004

Name: CVE-2021-38004
Creator: NVD / NIST
Published: 2021-11-23T22:15:07.98+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.3/10EPSS 0.84%

Last modified Jun 17, 2026

CVE-2021-38004 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. Insufficient policy enforcement in Autofill in Google Chrome prior to 95.0.4638.69 allowed a remote attacker to leak cross-origin data via a crafted HTML page.. EPSS estimates a 0.84% chance of exploitation in the next 30 days.

Description

Insufficient policy enforcement in Autofill in Google Chrome prior to 95.0.4638.69 allowed a remote attacker to leak cross-origin data via a crafted HTML page.

Metrics

CVSS 3.1

4.3/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

EPSS Probability

0.84%

53.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-668

Affected Software

Vendor	Product	Versions
Google	Chrome	< 95.0.4638.69
Debian	Debian Linux	10.0
Debian	Debian Linux	11.0

References

https://chromereleases.googleblog.com/2021/10/stable-channel-update-for-desktop_28.htmlRelease Notes, Vendor Advisory
https://crbug.com/1227170Permissions Required, Vendor Advisory
https://www.debian.org/security/2022/dsa-5046Third Party Advisory
https://chromereleases.googleblog.com/2021/10/stable-channel-update-for-desktop_28.htmlRelease Notes, Vendor Advisory
https://crbug.com/1227170Permissions Required, Vendor Advisory
https://www.debian.org/security/2022/dsa-5046Third Party Advisory

Timeline

Published: Nov 23, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-38004?

Insufficient policy enforcement in Autofill in Google Chrome prior to 95.0.4638.69 allowed a remote attacker to leak cross-origin data via a crafted HTML page.

How severe is CVE-2021-38004?

CVE-2021-38004 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.84% probability of exploitation in the next 30 days.

How do I fix CVE-2021-38004?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-38004?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST