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CVE-2024-21892

HIGH
7.8
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· also runs on 1 platform

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Severity
HIGH7.8
Exploit prediction
EPSS 0.6%
SSVC
No known exploit

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.

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.*18.0 ≤ v < 18.19.118.0.0 ≤ v ≤ 18.19.018.0.0 ≤ v < 18.19.119.0 ≤ v < 19.*20.0 ≤ v < 20.11.120.0.0 ≤ v ≤ 20.11.020.0.0 ≤ v < 20.11.121.0 ≤ v < 21.6.221.0.0 ≤ v ≤ 21.6.021.0.0 ≤ 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.*10.011.012.013.014.015.016.017.018.018.0.019.020.020.0.021.021.0.04.05.06.07.08.09.0
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 18.19.1, 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
linux-linux-kernel (environment)

Runs on — not affected

The affected product only carries this flaw when running on these platforms. The platforms themselves are not vulnerable.

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/2237545
Third Party Advisory
Source: [email protected]
https://security.netapp.com/advisory/ntap-20240322-0003/

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

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

CVSS

7.8HIGH[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-94CWE-269

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