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Insufficient policy enforcement in CORS in Google Chrome...

Moderate severity Unreviewed Published Dec 24, 2021 to the GitHub Advisory Database • Updated Jan 27, 2023

Package

No package listed— Suggest a package

Affected versions

Unknown

Patched versions

Unknown

Description

Insufficient policy enforcement in CORS in Google Chrome prior to 96.0.4664.45 allowed a remote attacker to leak cross-origin data via a crafted HTML page.

References

Published by the National Vulnerability Database Dec 23, 2021
Published to the GitHub Advisory Database Dec 24, 2021
Last updated Jan 27, 2023

Severity

Moderate

CVSS overall score

This score calculates overall vulnerability severity from 0 to 10 and is based on the Common Vulnerability Scoring System (CVSS).
/ 10

CVSS v3 base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

CVSS v3 base metrics

Attack vector: More severe the more the remote (logically and physically) an attacker can be in order to exploit the vulnerability.
Attack complexity: More severe for the least complex attacks.
Privileges required: More severe if no privileges are required.
User interaction: More severe when no user interaction is required.
Scope: More severe when a scope change occurs, e.g. one vulnerable component impacts resources in components beyond its security scope.
Confidentiality: More severe when loss of data confidentiality is highest, measuring the level of data access available to an unauthorized user.
Integrity: More severe when loss of data integrity is the highest, measuring the consequence of data modification possible by an unauthorized user.
Availability: More severe when the loss of impacted component availability is highest.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

EPSS score

0.541%
(77th percentile)

Weaknesses

CVE ID

CVE-2021-38019

GHSA ID

GHSA-pvvw-xmmx-2rvm

Source code

No known source code

Dependabot alerts are not supported on this advisory because it does not have a package from a supported ecosystem with an affected and fixed version.

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