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CVE-2020-6418

97
FAUCET Score

CVE-2020-6418 is a critical type confusion vulnerability in the V8 JavaScript engine within Google Chrome, affecting versions prior to 80.0.3987.122, as well as products from Debian, Fedora Project, and Red Hat. This flaw allows a remote attacker to achieve heap corruption by enticing a user to visit a specially crafted HTML page. With a CVSS score of 8.8 (High), it presents a significant risk due to its network-based attack vector, low attack complexity, and high potential for confidentiality, integrity, and availability impacts. This vulnerability has been actively exploited in the wild, with exploit code publicly available in Metasploit and extensive community discussion and media coverage confirming its severity and widespread attention.

Impacted Technologies

VendorProductVersion(s)CPE
< 80.0.3987.122CPE matchmatch criteria
cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
30CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*
31CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*
6.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*
6.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
78.81%
Probability of exploitation in next 30 days
EPSS Percentile
99.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Added to KEV · Nov 3, 2021
Metasploit: Google Chrome 80 JSCreate side-effect type confusion exploit · Feb 19, 2020
ExploitDB: EDB-48186 · Mar 9, 2020
This CVE's current EPSS score of 0.7881 is in the 100th percentile among its peer group of 14,852 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6 SupplementaryFixed in: chromium-browser-0:80.0.3987.122-1.el6_10
View patch
googlevendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2020-6418Important

chromium-browser: Type confusion in V8

Feb 24, 2020

References

cisa.gov / known-exploited-vulnerabilities-catalog
US Government Resource
packetstormsecurity.com / files/156632/Google-Chrome-80-JSCreate-Side-Effect-Type-Confusion.html
ExploitThird Party AdvisoryVDB Entry
access.redhat.com / errata/RHSA-2020:0738
Third Party Advisory
chromereleases.googleblog.com / 2020/02/stable-channel-update-for-desktop_24.html
Release NotesVendor Advisory
crbug.com / 1053604
ExploitIssue TrackingPatchVendor Advisory
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/6IOHSO6BUKC6I66J5PZOMAGFVJ66ZS57
Release Notes
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/X3B5RWJQD5LA45MYLLR55KZJOJ5NVZGP
Release Notes
security.gentoo.org / glsa/202003-08
Third Party Advisory
debian.org / security/2020/dsa-4638
Mailing ListThird Party Advisory