Vulnerability · Published Jun 3, 2020 · Assigned by Chrome

CVE-2020-6493

Critical 9.6

In plain English

A critical-severity security flaw in Chrome from Google. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.7% (higher than 78% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)9.6Critical
Exploit odds (30 days)1.7%top 22.4% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

Use after free in WebAuthentication in Google Chrome prior to 83.0.4103.97 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12chromium83.0.4103.106-1DEBIAN-CVE-2020-6493
Debian:13chromium83.0.4103.106-1DEBIAN-CVE-2020-6493
Debian:14chromium83.0.4103.106-1DEBIAN-CVE-2020-6493

Affected products (as reported)

VendorProductVersions
Google Chrome unspecified – before 83.0.4103.97

References