CVE-2021-30551

Google Chromium V8 Type Confusion Vulnerability

Severity Score

8.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

Yes

*KEV

Decision

*SSVC

Descriptions

Type confusion in V8 in Google Chrome prior to 91.0.4472.101 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Una Confusión de Tipo en V8 en Google Chrome versiones anteriores a 91.0.4472.101, permitía a un atacante remoto explotar potencialmente la corrupción de la pila por medio de una página HTML diseñada

Google Chromium V8 Engine contains a type confusion vulnerability that allows a remote attacker to potentially exploit heap corruption via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera.

*Credits: N/A

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

2021-04-13 CVE Reserved
2021-06-15 CVE Published
2021-11-03 Exploited in Wild
2021-11-17 KEV Due Date
2023-04-04 First Exploit
2024-08-03 CVE Updated
2024-09-16 EPSS Updated

CWE

CWE-843: Access of Resource Using Incompatible Type ('Type Confusion')

CAPEC

References (7)

URL	Tag	Source
https://crbug.com/1216437	Issue Tracking

URL	Date	SRC
https://github.com/xmzyshypnc/CVE-2021-30551	2023-04-04

URL	Date	SRC

URL	Date	SRC
https://chromereleases.googleblog.com/2021/06/stable-channel-update-for-desktop.html	2023-11-07
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ETMZL6IHCTCTREEL434BQ4THQ7EOHJ43	2023-11-07
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PAT6EOXVQFE6JFMFQF4IKAOUQSHMHL54	2023-11-07
https://security.gentoo.org/glsa/202107-06	2023-11-07
https://security.gentoo.org/glsa/202208-25	2023-11-07

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"				< 91.0.4472.101 Search vendor "Google" for product "Chrome" and version " < 91.0.4472.101"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				33 Search vendor "Fedoraproject" for product "Fedora" and version "33"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				34 Search vendor "Fedoraproject" for product "Fedora" and version "34"		-		Affected