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CVE-2020-6403

14
FAUCET Score

CVE-2020-6403 describes an incorrect implementation in the Omnibox (URL bar) of Google Chrome on iOS, affecting versions prior to 80.0.3987.87. This vulnerability allowed a remote attacker to spoof the Omnibox's contents through a specially crafted HTML page, impacting various products including Google, Apple, Debian, and Red Hat. Rated as Medium severity (CVSS 4.3), it requires user interaction (UI:R) via a network-based attack (AV:N) with low attack complexity (AC:L), primarily leading to a low impact on integrity (I:L) without affecting confidentiality or availability. There is no evidence of active exploitation, no known public exploit code (Metasploit, Nuclei, ExploitDB), and it has received minimal community discussion and media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 80.0.3987.87CPE matchmatch criteria
cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
15.0CPE matchmatch criteria
cpe:2.3:a:opensuse:backports_sle:15.0:sp1:*:*:*:*:*:*
30CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*
31CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*
9.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

4.3MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.61%
Probability of exploitation in next 30 days
EPSS Percentile
73.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0161 is in the 86th percentile among its peer group of 26,234 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6 SupplementaryFixed in: chromium-browser-0:80.0.3987.87-1.el6_10
View patch
googlevendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2020-6403Moderate

chromium-browser: Incorrect security UI in Omnibox

Feb 4, 2020

References

lists.opensuse.org / opensuse-security-announce/2020-02/msg00015.html
Mailing ListThird Party Advisory
lists.opensuse.org / opensuse-security-announce/2020-02/msg00025.html
Mailing ListThird Party Advisory
access.redhat.com / errata/RHSA-2020:0514
Third Party Advisory
chromereleases.googleblog.com / 2020/02/stable-channel-update-for-desktop.html
Vendor Advisory
crbug.com / 1006012
ExploitIssue TrackingPatchVendor Advisory
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/6IOHSO6BUKC6I66J5PZOMAGFVJ66ZS57
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/X3B5RWJQD5LA45MYLLR55KZJOJ5NVZGP
security.gentoo.org / glsa/202003-08
Third Party Advisory
debian.org / security/2020/dsa-4638
Third Party Advisory