CVE-2021-21220 - OpenCVE

Insufficient validation of untrusted input in V8 in Google Chrome prior to 89.0.4389.128 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction Required

No CVSS v3.0

Access Vector Network

Access Complexity Medium

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

AV:N/AC:M/Au:N/C:P/I:P/A:P

This CVE is in the KEV database since Nov. 3, 2021.

Exploitation active

Automatable no

Technical Impact total

Vendors	Products
Fedoraproject	Fedora
Google	Chrome

Configuration 1 [-]

cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*

Configuration 2 [-]

OR	cpe:2.3:o:fedoraproject:fedora:32:::::::*
	cpe:2.3:o:fedoraproject:fedora:33:::::::*
	cpe:2.3:o:fedoraproject:fedora:34:::::::*

No data.

References

Link	Providers
http://packetstormsecurity.com/files/162437/Google-Chrome-XOR-Typer-Out-Of-Bounds-Access-Remote-Code-Execution.html
http://packetstormsecurity.com/files/176210/Chrome-V8-JIT-XOR-Arbitrary-Code-Execution.html
https://chromereleases.googleblog.com/2021/04/stable-channel-update-for-desktop.html
https://crbug.com/1196683
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EAJ42L4JFPBJATCZ7MOZQTUDGV4OEHHG/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U3GZ42MYPGD35V652ZPVPYYS7A7LVXVY/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VUZBGKGVZADNA3I24NVG7HAYYUTOSN5A/
https://security.gentoo.org/glsa/202104-08

History

Mon, 03 Feb 2025 14:15:00 +0000

Type	Values Removed	Values Added
Metrics		kev `{'dateAdded': '2021-11-03'}` ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'active', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

MITRE

Status: PUBLISHED

Assigner: Chrome

Published: 2021-04-26T00:00:00.000Z

Updated: 2025-07-30T01:38:12.416Z

Reserved: 2020-12-21T00:00:00.000Z

Link: CVE-2021-21220

Vulnrichment

Updated: 2024-08-03T18:01:14.481Z

NVD

Status : Analyzed

Published: 2021-04-26T17:15:08.593

Modified: 2025-02-05T14:00:39.517

Link: CVE-2021-21220

Redhat

No data.

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