CVE-2020-16017

Google Chrome Use-After-Free Vulnerability

Severity Score

9.6

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

Yes

*KEV

Decision

Act

*SSVC

Descriptions

Use after free in site isolation in Google Chrome prior to 86.0.4240.198 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page.

Un uso de la memoria previamente liberada en site isolation en Google Chrome versiones anteriores a 86.0.4240.198, permitió a un atacante remoto que había comprometido el proceso del renderizador llevar a cabo potencialmente un escape del sandbox por medio de una página HTML diseñada

Multiple vulnerabilities have been found in Chromium and Google Chrome, the worst of which could result in the arbitrary execution of code. Versions less than 86.0.4240.198 are affected.

Google Chrome contains a use-after-free vulnerability that allows a remote attacker, who has compromised the renderer process, to potentially perform a sandbox escape via a crafted HTML page.

*Credits: N/A

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:Act

Exploitation

Active

Automatable

Tech. Impact

Total

* Organization's Worst-case Scenario

Timeline

2020-07-27 CVE Reserved
2020-11-16 CVE Published
2021-11-03 Exploited in Wild
2022-05-03 KEV Due Date
2025-02-03 CVE Updated
2025-03-30 EPSS Updated
---------- First Exploit

CWE

CWE-416: Use After Free

CAPEC

References (3)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://chromereleases.googleblog.com/2020/11/stable-channel-update-for-desktop_11.html	2021-01-11
https://access.redhat.com/security/cve/CVE-2020-16017	2020-11-23
https://bugzilla.redhat.com/show_bug.cgi?id=1897207	2020-11-23

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Google Search vendor "Google"		Chrome Search vendor "Google" for product "Chrome"				< 86.0.4240.198 Search vendor "Google" for product "Chrome" and version " < 86.0.4240.198"		-		Affected