Cloud Vulnerability DB
A community-led vulnerabilities database
Vulnerability DatabaseCVE-2021-23396
CVE-2021-23396:
JavaScript vulnerability analysis and mitigation
Overview
All versions of package lutils are vulnerable to Prototype Pollution via the main (merge) function. The vulnerability was assigned CVE-2021-23396 and was disclosed on June 17, 2021. This security issue affects all versions of the lutils package running on Node.js (NVD).
Technical details
The vulnerability is classified as Prototype Pollution (CWE-1321), which involves improperly controlled modification of object prototype attributes. The CVSS v3.1 base scores vary between sources, with NVD assigning a Critical score of 9.8 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H) while Snyk rates it as Medium with a score of 5.6 (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L) (NVD).
Impact
The vulnerability allows an attacker to modify properties within the global prototype chain through the main (merge) function. This can lead to denial of service (DoS) at minimum, and potentially allow for more severe impacts including property manipulation across the application (NVD).
Additional resources
Source: This report was generated using AI
Related JavaScript vulnerabilities:
Free Vulnerability Assessment
Benchmark your Cloud Security Posture
Evaluate your cloud security practices across 9 security domains to benchmark your risk level and identify gaps in your defenses.
Additional Wiz resources
Get a personalized demo
Ready to see Wiz in action?
"Best User Experience I have ever seen, provides full visibility to cloud workloads."
David EstlickCISO
"Wiz provides a single pane of glass to see what is going on in our cloud environments."
Adam FletcherChief Security Officer
"We know that if Wiz identifies something as critical, it actually is."
Greg PoniatowskiHead of Threat and Vulnerability Management