Is CVE-2021-23383 actively exploited?

CVE-2021-23383 has no public evidence of in-the-wild exploitation as of 2024-11-21.

What is the CVSS score for CVE-2021-23383?

CVE-2021-23383 has a CVSS score of 5.6 (MEDIUM severity). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L.

How do I patch CVE-2021-23383?

Patch guidance is available from handlebarsjs security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2021-23383.

CVE-2021-23383 - remediation guidance & executive summary

Q: Which products are affected by CVE-2021-23383?

2 products: handlebarsjs handlebars, netapp e-series performance analyzer.

Description

The package handlebars before 4.7.7 are vulnerable to Prototype Pollution when selecting certain compiling options to compile templates coming from an untrusted source.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
Attack Vector: network
Complexity: high
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: low
Integrity: low
Availability: low
Weaknesses: CWE-1321

Metadata

Primary Vendor: HANDLEBARSJS
Published: 5/4/2021
Last Modified: 11/21/2024
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

handlebarsjs : handlebarsnetapp : e-series_performance_analyzer

Remediation Guidance

Executive Summary

Cite this page

CVE-2021-23383. CVEDatabase.com. Retrieved 1 May 2026. https://cvedatabase.com/cve/CVE-2021-23383

View on NIST NVD

CVE-2021-23383 vulnerability