All vulnerabilities
CVE-2020-6418

Google Chromium V8 Type Confusion Vulnerability

Google Chromium V8Applications & CMS
Open in ThreatlineRecord JSON
CVSS
8.8High
ExploitationExploited in the wildAdded to KEV 3 Nov 2021CISA KEV
Exploit odds (EPSS)78.8%Chance of exploitation activity in the next 30 days, higher than 99% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in80.0.3987.122Fixed versionCVE List
Federal deadline3 May 2022Remediation due date for US federal agenciesCISA KEV
CISA required actionApply updates per vendor instructions. CISA KEV

What fixes it

A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.

Timeline

  1. 19 Feb 2020Exploit code publicMetasploit
  2. 27 Feb 2020, 22:55 UTCPublishedCVE List
  3. 3 Nov 2021Added to CISA KEVCISA KEV

Public exploit code and templates 2

  • Exploit moduleGoogle Chrome 80 JSCreate side-effect type confusion exploit 19 Feb 2020Metasploit
  • Remote exploitGoogle Chrome 80 - JSCreate Side-effect Type Confusion (Metasploit) 9 Mar 2020Exploit-DB

Listed so defenders can prioritize. Threatline links to the source and does not host exploit code.

Description

Google Chromium V8 Engine contains a type confusion vulnerability allows a remote attacker to potentially exploit heap corruption via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera.

Text from CVE List

Affected versions 1

  • Chromeaffected: unspecified before 80.0.3987.122CVE List

References 9