CVE-2020-6418

HIGHNVD 8.89.0▲Trending — 5 sources updated this weekExploited in the wild

8.8

Type confusion in V8 in Google Chrome prior to 80.0.3987.122 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

CVSS v3: 8.8
EG Score: 9.0(high)
EPSS: 99.4%
KEV: ⚠ Exploited

Published

February 27, 2020

Last Modified

October 24, 2025

Advisory Details (8)

Auto-updated Jun 2, 2026

⚠️ Active exploitation confirmed. Patch available. Sources: redhat.

redhat Patch Available

Affected: Red Hat Enterprise Linux 6 Supplementary.

https://access.redhat.com/errata/RHSA-2020:0738

generic

Packet Storm

http://packetstormsecurity.com/files/156632/Google-Chrome-80-JSCreate-Side-Effect-Type-Confusion.html

generic

[SECURITY] [DSA 4638-1] chromium security update

https://www.debian.org/security/2020/dsa-4638

generic

Chromium, Google Chrome: Multiple vulnerabilities (GLSA 202003-08) — Gentoo security

https://security.gentoo.org/glsa/202003-08

generic

[SECURITY] Fedora 31 Update: chromium-80.0.3987.132-1.fc31 - package-announce - Fedora mailing-lists

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X3B5RWJQD5LA45MYLLR55KZJOJ5NVZGP/

generic

[SECURITY] Fedora 30 Update: chromium-80.0.3987.149-1.fc30 - package-announce - Fedora mailing-lists

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6IOHSO6BUKC6I66J5PZOMAGFVJ66ZS57/

generic

https://crbug.com/1053604

generic🔴 Active Exploitation

Chrome Releases: Stable Channel Update for Desktop

https://chromereleases.googleblog.com/2020/02/stable-channel-update-for-desktop_24.html

Patch Availability(1)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
redhat	chromium-browser-0:80.0.3987.122-1.el6_10	2020-03-09	redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-843Access of Resource Using Incompatible Type (Type Confusion)

All Vendor Advisories

(1)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Red HatRHSA-2020:0738IMPORTANT2020-02-24
RHSA-2020:0738 — Important

Data Freshness Timeline

(refreshed 20× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-03 21:52 UTCEG score recompute
2026-06-03 21:52 UTCVendor advisory
2026-06-03 21:52 UTCGHSA enrichment
2026-06-03 19:09 UTCkev_newly_listed
2026-06-03 17:47 UTCEG score recompute
2026-06-03 17:47 UTCVendor advisory
2026-06-03 17:47 UTCGHSA enrichment
2026-06-03 13:42 UTCEG score recompute
2026-06-03 13:42 UTCVendor advisory
2026-06-03 13:42 UTCGHSA enrichment
2026-06-03 09:36 UTCEG score recompute
2026-06-03 09:36 UTCVendor advisory
2026-06-03 09:36 UTCGHSA enrichment
2026-06-03 05:31 UTCEG score recompute
2026-06-03 05:31 UTCVendor advisory
2026-06-03 05:31 UTCGHSA enrichment
2026-06-03 01:26 UTCEG score recompute
2026-06-03 01:26 UTCVendor advisory
2026-06-03 01:26 UTCGHSA enrichment
2026-06-02 21:21 UTCEG score recompute

Publicly available exploits

(4 references)

Working exploit code is in the public domain (1 Metasploit module) (2 GitHub PoCs) (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

GitHub PoCulexec/ChromeSHELFLoader
First seen Feb 19, 2022
An exploit for CVE-2020-6418 implementing a SHELF Loader. Published as part of Tmp.0ut volume 2
Open source ↗
GitHub PoCGoyotan/CVE-2020-6418-PoC
First seen Jun 13, 2020
for 供養
Open source ↗
Exploit-DBEDB-48186✓ verified
First seen Mar 9, 2020
Google Chrome 80 - JSCreate Side-effect Type Confusion (Metasploit)
Open source ↗
Metasploitexploit/multi/browser/chrome_jscreate_sideeffect✓ verified
First seen Feb 19, 2020
Google Chrome 80 JSCreate side-effect type confusion exploit
Open source ↗

Frequently asked(6)

What is CVE-2020-6418?

CVE-2020-6418 is a high vulnerability published on February 27, 2020. Type confusion in V8 in Google Chrome prior to 80.0.3987.122 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

When was CVE-2020-6418 disclosed?

CVE-2020-6418 was first published in the National Vulnerability Database on February 27, 2020, with the most recent update on October 24, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2020-6418 actively exploited?

Yes. CISA added CVE-2020-6418 to the Known Exploited Vulnerabilities catalog on November 3, 2021, affecting Google Chromium V8. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.

What is the CVSS score of CVE-2020-6418?

CVE-2020-6418 has a CVSS v3 base score of 8.8 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0.

Which products are affected by CVE-2020-6418?

CVE-2020-6418 affects Google Chromium V8. The full affected-products list, including version ranges and fixed versions, is shown in the Affected Packages section of this page.

How do I remediate CVE-2020-6418?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-6418, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2020-6418

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Is Your Infrastructure Affected by CVE-2020-6418?

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CVE-2020-6418

📅 Published

🔄 Last Modified

📋 Advisory Details (8)

Packet Storm

[SECURITY] [DSA 4638-1] chromium security update

Chromium, Google Chrome: Multiple vulnerabilities (GLSA 202003-08) — Gentoo security

[SECURITY] Fedora 31 Update: chromium-80.0.3987.132-1.fc31 - package-announce - Fedora mailing-lists

[SECURITY] Fedora 30 Update: chromium-80.0.3987.149-1.fc30 - package-announce - Fedora mailing-lists

Chrome Releases: Stable Channel Update for Desktop

Patch Availability(1)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

Publicly available exploits

❓ Frequently asked(6)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2020-6418?

Published

Last Modified

Advisory Details (8)

Frequently asked(6)