CVE-2020-6493

CriticalCVSS 9.6/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 9.6/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Weakness enumeration

CWE-416

Affected software

No affected versions have been published.

Timeline

Published
Jun 3, 2020
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2020

CVE-2020-64946.5Incorrect security UI in payments in Google Chrome on Android prior to 83.0.4103.97 allowed a remote attacker to spoof the contents of the OCVE-2020-64956.5Insufficient policy enforcement in developer tools in Google Chrome prior to 83.0.4103.97 allowed an attacker who convinced a user to instalCVE-2020-64968.8Use after free in payments in Google Chrome on MacOS prior to 83.0.4103.97 allowed a remote attacker to potentially perform a sandbox escapeCVE-2020-64976.5Insufficient policy enforcement in Omnibox in Google Chrome on iOS prior to 83.0.4103.88 allowed a remote attacker to perform domain spoofinCVE-2020-64986.5Incorrect implementation in user interface in Google Chrome on iOS prior to 83.0.4103.88 allowed a remote attacker to perform domain spoofinCVE-2020-64996.5Inappropriate implementation in AppCache in Google Chrome prior to 80.0.3987.87 allowed a remote attacker to bypass AppCache security restriCVE-2020-65006.5Inappropriate implementation in interstitials in Google Chrome prior to 80.0.3987.87 allowed a remote attacker to spoof the contents of the CVE-2020-65016.5Insufficient policy enforcement in CSP in Google Chrome prior to 80.0.3987.87 allowed a remote attacker to bypass content security policy viCVE-2020-65026.5Incorrect implementation in permissions in Google Chrome prior to 80.0.3987.87 allowed a remote attacker to spoof security UI via a crafted CVE-2020-65036.5Inappropriate implementation in accessibility in Google Chrome prior to 74.0.3729.108 allowed a remote attacker to obtain potentially sensitCVE-2020-65044.3Insufficient policy enforcement in notifications in Google Chrome prior to 74.0.3729.108 allowed a remote attacker to bypass notification reCVE-2020-65059.6Use after free in speech in Google Chrome prior to 83.0.4103.106 allowed a remote attacker to potentially perform a sandbox escape via a cra
CVE-2020-6493: Critical severity, CVSS 9.6 | Vulnix