CVE-2021-23443

Name: CVE-2021-23443
Creator: NVD / NIST
Published: 2021-09-21T17:15:09.297+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.88%

Last modified Jun 17, 2026

CVE-2021-23443 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. This affects the package edge.js before 5.3.2. A type confusion vulnerability can be used to bypass input sanitization when the input to be rendered is an array (instead of a string or a SafeValue), even if {{ }} are used.. EPSS estimates a 0.88% chance of exploitation in the next 30 days.

Description

This affects the package edge.js before 5.3.2. A type confusion vulnerability can be used to bypass input sanitization when the input to be rendered is an array (instead of a string or a SafeValue), even if {{ }} are used.

Metrics

CVSS 3.1

6.1/10

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

EPSS Probability

0.88%

54.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-843

Affected Software

Vendor	Product	Versions
Adonisjs	Edge	< 5.3.2

References

https://github.com/edge-js/edge/commit/fa2c7fde86327aeae232752e89a6e37e2e469e21Patch, Third Party Advisory
https://snyk.io/vuln/SNYK-JS-EDGEJS-1579556Exploit, Patch, Third Party Advisory
https://github.com/edge-js/edge/commit/fa2c7fde86327aeae232752e89a6e37e2e469e21Patch, Third Party Advisory
https://snyk.io/vuln/SNYK-JS-EDGEJS-1579556Exploit, Patch, Third Party Advisory

Timeline

Published: Sep 21, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-23443?

How severe is CVE-2021-23443?

CVE-2021-23443 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.88% probability of exploitation in the next 30 days.

How do I fix CVE-2021-23443?

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-2021-23443?

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

Scan your code now

Source: NVD / NIST