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Prototype Pollution

Critical severity GitHub Reviewed Published Jun 21, 2021 to the GitHub Advisory Database • Updated Jan 27, 2023

Package

npm expand-hash (npm)

Affected versions

<= 1.0.1

Patched versions

None

Description

Prototype pollution vulnerability in ‘expand-hash’ versions 0.1.0 through 1.0.1 allows an attacker to cause a denial of service and may lead to remote code execution.

References

Published by the National Vulnerability Database Jun 10, 2021
Reviewed Jun 14, 2021
Published to the GitHub Advisory Database Jun 21, 2021
Last updated Jan 27, 2023

Severity

Critical
9.8
/ 10

CVSS base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses

CVE ID

CVE-2021-25948

GHSA ID

GHSA-x3wr-v4wx-5qpc

Source code

Checking history
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