9.6
CRITICAL
CVE-2020-6493
Google Chrome WebAuthentication Use-After-Free Sandbox Escape
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.

INFO

Published Date :

June 3, 2020, 11:15 p.m.

Last Modified :

Oct. 14, 2022, 8:59 p.m.

Remotely Exploitable :

Yes !

Impact Score :

6.0

Exploitability Score :

2.8
Affected Products

The following products are affected by CVE-2020-6493 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Opensuse leap
2 Opensuse backports
1 Debian debian_linux
1 Google chrome
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2020-6493.

URL Resource
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00034.html Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00038.html Third Party Advisory
https://chromereleases.googleblog.com/2020/06/stable-channel-update-for-desktop.html Vendor Advisory
https://crbug.com/1082105 Permissions Required
https://security.gentoo.org/glsa/202006-02 Third Party Advisory
https://www.debian.org/security/2020/dsa-4714 Third Party Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2020-6493 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-6493 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Modified Analysis by [email protected]

    Oct. 14, 2022

    Action Type Old Value New Value
    Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00034.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00034.html Third Party Advisory
    Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00038.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00038.html Third Party Advisory
    Changed Reference Type https://security.gentoo.org/glsa/202006-02 No Types Assigned https://security.gentoo.org/glsa/202006-02 Third Party Advisory
    Changed Reference Type https://www.debian.org/security/2020/dsa-4714 No Types Assigned https://www.debian.org/security/2020/dsa-4714 Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* *cpe:2.3:o:opensuse:backports:sle-15:sp1:*:*:*:*:*:* *cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Jul. 02, 2020

    Action Type Old Value New Value
    Added Reference https://www.debian.org/security/2020/dsa-4714 [No Types Assigned]
  • CVE Modified by [email protected]

    Jun. 19, 2020

    Action Type Old Value New Value
    Added Reference http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00038.html [No Types Assigned]
  • CVE Modified by [email protected]

    Jun. 18, 2020

    Action Type Old Value New Value
    Added Reference http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00034.html [No Types Assigned]
  • CVE Modified by [email protected]

    Jun. 13, 2020

    Action Type Old Value New Value
    Added Reference https://security.gentoo.org/glsa/202006-02 [No Types Assigned]
  • Initial Analysis by [email protected]

    Jun. 04, 2020

    Action Type Old Value New Value
    Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism
    Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:P/I:P/A:P)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
    Changed Reference Type https://chromereleases.googleblog.com/2020/06/stable-channel-update-for-desktop.html No Types Assigned https://chromereleases.googleblog.com/2020/06/stable-channel-update-for-desktop.html Vendor Advisory
    Changed Reference Type https://crbug.com/1082105 No Types Assigned https://crbug.com/1082105 Permissions Required
    Added CWE NIST CWE-416
    Added CPE Configuration OR *cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:* versions up to (excluding) 83.0.4103.97
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2020-6493 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2020-6493 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

1.35 }} -0.02%

score

0.86404

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability