CVE-2021-30563 - Vulnerability Details - OpenCVE

Type Confusion in V8 in Google Chrome prior to 91.0.4472.164 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

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

The EPSS score is 0.04532.

Exploitation active

Automatable no

Technical Impact total

Vendors	Products
Google	Chrome

Configuration 1 [-]

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

No data.

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://chromereleases.googleblog.com/2021/07/stable-channel-update-for-desktop.html
https://crbug.com/1228407
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30563

History

Wed, 22 Oct 2025 00:30:00 +0000

Type	Values Removed	Values Added
References		https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30563

Tue, 21 Oct 2025 20:30:00 +0000

Type	Values Removed	Values Added
References	https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30563

Tue, 21 Oct 2025 19:30:00 +0000

Type	Values Removed	Values Added
References		https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30563

Wed, 29 Jan 2025 17:15:00 +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: 2021-08-03T18:25:27.000Z

Updated: 2025-10-21T23:25:39.080Z

Reserved: 2021-04-13T00:00:00.000Z

Link: CVE-2021-30563

Vulnrichment

Updated: 2024-08-03T22:32:41.263Z

NVD

Status : Modified

Published: 2021-08-03T19:15:08.230

Modified: 2025-10-22T00:17:31.907

Link: CVE-2021-30563

Redhat

No data.

OpenCVE Enrichment

No data.

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