CVE-2020-6462

chromium-browser: Use after free in task scheduling

Severity Score

9.6

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Use after free in task scheduling in Google Chrome prior to 81.0.4044.129 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 task scheduling en Google Chrome versiones anteriores a la versión 81.0.4044.129, permitió a un atacante remoto que había comprometido el proceso de renderizador llevar a cabo potencialmente un escape del sandbox por medio de una página HTML diseñada

A flaw was found in the Chromium browser. The task scheduling component was found to have a use-after-free memory flaw. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

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 81.0.4044.138 are affected.

*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:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2020-01-08 CVE Reserved
2020-04-30 CVE Published
2024-08-04 CVE Updated
2025-03-30 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-416: Use After Free

CAPEC

References (5)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://chromereleases.googleblog.com/2020/04/stable-channel-update-for-desktop_27.html	2022-10-05
https://security.gentoo.org/glsa/202005-13	2022-10-05
https://www.debian.org/security/2020/dsa-4714	2022-10-05
https://access.redhat.com/security/cve/CVE-2020-6462	2020-04-30
https://bugzilla.redhat.com/show_bug.cgi?id=1828859	2020-04-30

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"				< 81.0.4044.129 Search vendor "Google" for product "Chrome" and version " < 81.0.4044.129"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				9.0 Search vendor "Debian" for product "Debian Linux" and version "9.0"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				10.0 Search vendor "Debian" for product "Debian Linux" and version "10.0"		-		Affected