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Prototype Pollution in express-fileupload

Critical severity GitHub Reviewed Published Aug 5, 2020 to the GitHub Advisory Database • Updated Jan 27, 2023

Package

npm express-fileupload (npm)

Affected versions

< 1.1.9

Patched versions

1.1.9

Description

This affects the package express-fileupload before 1.1.8. If the parseNested option is enabled, sending a corrupt HTTP request can lead to denial of service or arbitrary code execution.

References

Published by the National Vulnerability Database Jul 30, 2020
Reviewed Aug 3, 2020
Published to the GitHub Advisory Database Aug 5, 2020
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-2020-7699

GHSA ID

GHSA-9wcg-jrwf-8gg7

Source code

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