CVE-2025-23083: Access Control Flaw (CVSS 7.7)

Description

With the aid of the diagnostics_channel utility, an event can be hooked into whenever a worker thread is created. This is not limited only to workers but also exposes internal workers, where an instance of them can be fetched, and its constructor can be grabbed and reinstated for malicious usage. This vulnerability affects Permission Model users (--permission) on Node.js v20, v22, and v23.

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CVSS v3.1 Score

7.7

HIGH

CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Weakness Type (CWE)

CWE-284 CWE-284

References

Other References

https://nodejs.org/en/blog/vulnerability/january-2025-security-releases https://security.netapp.com/advisory/ntap-20250228-0008/ https://www.vicarius.io/vsociety/posts/cve-2025-23083-detect-nodejs-vulnerability https://www.vicarius.io/vsociety/posts/cve-2025-23083-mitigate-nodejs-vulnerability

Frequently Asked Questions

What is CVE-2025-23083? +

With the aid of the diagnostics_channel utility, an event can be hooked into whenever a worker thread is created. This is not limited only to workers but also exposes internal workers, where an instance of them can be fetched, and its constructor can be grabbed and reinstated for malicious usage. This vulnerability affects Permission Model users (--permission) on Node.js v20, v22, and v23. It has a CVSS v3.1 base score of 7.7 (HIGH).

How severe is CVE-2025-23083? +

CVE-2025-23083 has a CVSS v3.1 score of 7.7 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

How do I check if I'm vulnerable to CVE-2025-23083? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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