CVE-2021-21117 - Vulnerability Details - OpenCVE

Description

Insufficient policy enforcement in Cryptohome in Google Chrome prior to 88.0.4324.96 allowed a local attacker to perform OS-level privilege escalation via a crafted file.

Published: 2021-02-09

Score: 7.8 High

EPSS: < 1% Very 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 [-]

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

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-2021-8508	Insufficient policy enforcement in Cryptohome in Google Chrome prior to 88.0.4324.96 allowed a local attacker to perform OS-level privilege escalation via a crafted file.

No CVSS v4.0

Attack Vector Local

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 Local

Access Complexity Medium

Authentication None

Confidentiality Impact Complete

Integrity Impact Complete

Availability Impact Complete

This CVE is not in the KEV list.

The EPSS score is 0.00221.

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/1137179

History

No history.

Subscriptions

Google Chrome

MITRE

Status: PUBLISHED

Assigner: Chrome

Published: 2021-02-09T13:55:55.000Z

Updated: 2024-08-03T18:01:13.954Z

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

Link: CVE-2021-21117

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-02-09T14:15:15.450

Modified: 2026-06-17T03:34:51.660

Link: CVE-2021-21117

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-362
Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CWE-59
Improper Link Resolution Before File Access ('Link Following')

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