CVE-2021-21127 - Vulnerability Details - OpenCVE

Description

Insufficient policy enforcement in extensions in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to bypass content security policy via a crafted Chrome Extension.

Published: 2021-02-09

Score: 8.8 High

EPSS: 5.9% Low

KEV: No

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Google

Chrome

affected

Version	Status	Constraints
`unspecified`	affected	< 88.0.4324.96

Configuration 1 [-]

OR	cpe:2.3:a:google:chrome::::::::
	cpe:2.3:a:microsoft:edge_chromium::::::::

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

Source	ID	Title
Debian DSA	DSA-4846-1	chromium security update
EUVD	EUVD-2021-8518	Insufficient policy enforcement in extensions in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to bypass content security policy via a crafted Chrome Extension.

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 not in the KEV list.

The EPSS score is 0.05878.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop_19.html
https://crbug.com/1115590
https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-21127

History

No history.

Subscriptions

Google Chrome

Microsoft Edge Chromium

MITRE

Status: PUBLISHED

Assigner: Chrome

Published: 2021-02-09T13:56:01.000Z

Updated: 2024-08-03T18:01:14.122Z

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

Link: CVE-2021-21127

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-02-09T14:15:16.060

Modified: 2026-06-17T03:34:52.677

Link: CVE-2021-21127

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

NVD-CWE-Other

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