CVE-2020-6441Network attack vector

Security UI bypass via crafted HTML

Published Apr 13, 2020 · Updated Aug 4, 2024

Insufficient omnibox policy enforcement in Google Chrome before 81.0.4044.92 allows remote attackers to bypass security UI via HTML. Google has not publicly disclosed the specific omnibox policy check or the incorrect operation performed on page-controlled input. Exploitation requires a user to open a crafted page, and the documented consequence is limited to bypassing or misleading browser security UI.

CVSS severity4.3
Medium
EPSS probability1.77%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

Insufficient omnibox policy enforcement in Google Chrome before 81.0.4044.92 allows remote attackers to bypass security UI via HTML. Google has not publicly disclosed the specific omnibox policy check or the incorrect operation performed on page-controlled input. Exploitation requires a user to open a crafted page, and the documented consequence is limited to bypassing or misleading browser security UI.

The record

CVE
CVE-2020-6441
Published
Apr 13, 2020
Updated
Aug 4, 2024
Vendor
Google Cloud
Product
Google Chrome
Classifications
CWE-276
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Apr 13, 2020CVE publishedPublication date reported by the CVE source.
  2. Aug 4, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=unspecified <81.0.4044.92

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Google Cloud · Google Chromeversion=unspecified <81.0.4044.92

Published CVSS scores

4.3NIST NVDAV:N/AC:M/Au:N/C:N/I:P/A:N
4.3NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-276Incorrect Default Permissions

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo