CVE-2024-21892

Name: CVE-2024-21892
Creator: NVD / NIST
Published: 2024-02-20T02:15:50.567+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.56%

Last modified Jun 17, 2026

CVE-2024-21892 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. On Linux, Node.js ignores certain environment variables if those may have been set by an unprivileged user while the process is running with elevated privileges with the only exception of CAP_NET_BIND_SERVICE. Due to a bug in the implementation of this exception, Node.js incorrectly applies this exception even when certain other capabilities have been set. This allows unprivileged users to inject code that inherits the process's elevated privileges.. EPSS estimates a 0.56% chance of exploitation in the next 30 days.

Description

On Linux, Node.js ignores certain environment variables if those may have been set by an unprivileged user while the process is running with elevated privileges with the only exception of CAP_NET_BIND_SERVICE. Due to a bug in the implementation of this exception, Node.js incorrectly applies this exception even when certain other capabilities have been set. This allows unprivileged users to inject code that inherits the process's elevated privileges.

Metrics

CVSS 3.1

7.8/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.56%

42.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Nodejs	Node.Js	>= 18.0.0, < 18.19.1
Nodejs	Node.Js	>= 20.0.0, < 20.11.1
Nodejs	Node.Js	>= 21.0.0, < 21.6.2

References

http://www.openwall.com/lists/oss-security/2024/03/11/1Mailing List, Third Party Advisory
https://hackerone.com/reports/2237545Issue Tracking, Third Party Advisory
https://security.netapp.com/advisory/ntap-20240322-0003/Third Party Advisory
http://www.openwall.com/lists/oss-security/2024/03/11/1Mailing List, Third Party Advisory
https://hackerone.com/reports/2237545Issue Tracking, Third Party Advisory
https://security.netapp.com/advisory/ntap-20240322-0003/Third Party Advisory

Timeline

Published: Feb 20, 2024
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2024-21892?

How severe is CVE-2024-21892?

CVE-2024-21892 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.56% probability of exploitation in the next 30 days.

How do I fix CVE-2024-21892?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-21892?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST