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Actively exploited · Published Feb 27, 2020 · Assigned by Chrome

CVE-2020-6418

High 8.8 Exploited

In plain English

A high-severity type confusion in Chrome from Google. Attackers are actively exploiting it in the wild (listed by CISA on November 3, 2021). The chance it is exploited in the next 30 days is estimated at 78.8% (higher than 99.6% of all known vulnerabilities). Ready-made attack tooling exists: Metasploit, public proof-of-concept code. Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)8.8High
Exploit odds (30 days)78.8%top 0.4% of all CVEs
Exploited in the wildYesCISA KEV since Nov 3, 2021
Attack tooling2Metasploit, Public PoC

CISA guidance

Apply updates per vendor instructions.

Federal agencies must remediate by May 3, 2022.

Official description

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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12chromium80.0.3987.122-1DEBIAN-CVE-2020-6418
Debian:13chromium80.0.3987.122-1DEBIAN-CVE-2020-6418
Debian:14chromium80.0.3987.122-1DEBIAN-CVE-2020-6418

Affected products (as reported)

VendorProductVersions
Google Chrome unspecified – before 80.0.3987.122

Weakness: CWE-843 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References