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CVE-2024-21891

HIGH
8.8
CVSS Score
Published: February 20, 2024 at 01:31 AM UTC
Updated: June 17, 2026 at 07:10 AM UTC
1 product affected across 1 vendorNode.js

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Severity
HIGH8.8
Exploit prediction
EPSS 1%
SSVC
No known exploit

Description

Node.js depends on multiple built-in utility functions to normalize paths provided to node:fs functions, which can be overwitten with user-defined implementations leading to filesystem permission model bypass through path traversal attack. This vulnerability affects all users using the experimental permission model in Node.js 20 and Node.js 21. Please note that at the time this CVE was issued, the permission model is an experimental feature of Node.js.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Node.js· Node.js
95%
10.0 ≤ v < 10.*11.0 ≤ v < 11.*12.0 ≤ v < 12.*13.0 ≤ v < 13.*14.0 ≤ v < 14.*15.0 ≤ v < 15.*16.0 ≤ v < 16.*17.0 ≤ v < 17.*19.0 ≤ v < 19.*20.0 ≤ v < 20.11.120.0.0 ≤ v < 20.11.121.0 ≤ v < 21.6.221.0.0 ≤ v < 21.6.24.0 ≤ v < 4.*5.0 ≤ v < 5.*6.0 ≤ v < 6.*7.0 ≤ v < 7.*8.0 ≤ v < 8.*9.0 ≤ v < 9.*10.011.012.013.014.015.016.017.019.020.020.11.021.021.6.04.05.06.07.08.09.0
Affected range stops below 10.*, so it looks safe — our inference, not a vendor statement
Affected range stops below 11.*, so it looks safe — our inference, not a vendor statement
Affected range stops below 12.*, so it looks safe — our inference, not a vendor statement
Affected range stops below 13.*, so it looks safe — our inference, not a vendor statement
Affected range stops below 14.*, so it looks safe — our inference, not a vendor statement
Affected range stops below 15.*, so it looks safe — our inference, not a vendor statement
Affected range stops below 16.*, so it looks safe — our inference, not a vendor statement
Affected range stops below 17.*, so it looks safe — our inference, not a vendor statement
Affected range stops below 19.*, so it looks safe — our inference, not a vendor statement
Affected range stops below 20.11.1, so it looks safe — our inference, not a vendor statement
Affected range stops below 21.6.2, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.*, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.*, so it looks safe — our inference, not a vendor statement
Affected range stops below 6.*, so it looks safe — our inference, not a vendor statement
Affected range stops below 7.*, so it looks safe — our inference, not a vendor statement
Affected range stops below 8.*, so it looks safe — our inference, not a vendor statement
Affected range stops below 9.*, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (3)

Mailing ListThird Party Advisory
Source: [email protected]
http://www.openwall.com/lists/oss-security/2024/03/11/1
Issue TrackingThird Party Advisory
Source: [email protected]
https://hackerone.com/reports/2259914
Third Party Advisory
Source: [email protected]
https://security.netapp.com/advisory/ntap-20240315-0005/

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.8HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-22

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