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Actively exploited · Published Nov 3, 2020 · Assigned by Chrome

CVE-2020-16009

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 48.3% (higher than 99% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)8.8High
Exploit odds (30 days)48.3%top 1.1% of all CVEs
Exploited in the wildYesCISA KEV since Nov 3, 2021
Attack toolingNoneno public tooling known

CISA guidance

Apply updates per vendor instructions.

Federal agencies must remediate by May 3, 2022.

Official description

Inappropriate implementation in V8 in Google Chrome prior to 86.0.4240.183 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12chromium87.0.4280.88-0.1DEBIAN-CVE-2020-16009
Debian:13chromium87.0.4280.88-0.1DEBIAN-CVE-2020-16009
Debian:14chromium87.0.4280.88-0.1DEBIAN-CVE-2020-16009
NuGetcefsharp.common86.0.241GHSA-m7mf-48hp-5qmr
NuGetcefsharp.winforms86.0.241GHSA-m7mf-48hp-5qmr
NuGetcefsharp.wpf86.0.241GHSA-m7mf-48hp-5qmr
NuGetcefsharp.wpf.hwndhost86.0.241GHSA-m7mf-48hp-5qmr

Affected products (as reported)

VendorProductVersions
Google Chrome unspecified – before 86.0.4240.183

Weakness: CWE-843, CWE-787 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References