CVE-2021-23444

Name: CVE-2021-23444
Creator: NVD / NIST
Published: 2021-09-21T17:15:09.39+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.80%

Last modified Jun 17, 2026

CVE-2021-23444 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. This affects the package jointjs before 3.4.2. A type confusion vulnerability can lead to a bypass of CVE-2020-28480 when the user-provided keys used in the path parameter are arrays in the setByPath function.. EPSS estimates a 1.80% chance of exploitation in the next 30 days.

Description

This affects the package jointjs before 3.4.2. A type confusion vulnerability can lead to a bypass of CVE-2020-28480 when the user-provided keys used in the path parameter are arrays in the setByPath function.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

1.80%

75.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-843

Affected Software

Vendor	Product	Versions
Client	Jointjs	< 3.4.2

References

https://github.com/clientIO/joint/commit/e5bf89efef6d5ea572d66870ffd86560de7830a8Patch, Third Party Advisory
https://github.com/clientIO/joint/pull/1514Third Party Advisory
https://github.com/clientIO/joint/releases/tag/v3.4.2Release Notes, Third Party Advisory
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWER-1655817Exploit, Third Party Advisory
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1655816Exploit, Third Party Advisory
https://snyk.io/vuln/SNYK-JS-JOINTJS-1579578Exploit, Third Party Advisory
https://github.com/clientIO/joint/commit/e5bf89efef6d5ea572d66870ffd86560de7830a8Patch, Third Party Advisory
https://github.com/clientIO/joint/pull/1514Third Party Advisory
https://github.com/clientIO/joint/releases/tag/v3.4.2Release Notes, Third Party Advisory
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWER-1655817Exploit, Third Party Advisory
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1655816Exploit, Third Party Advisory
https://snyk.io/vuln/SNYK-JS-JOINTJS-1579578Exploit, Third Party Advisory

Timeline

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

Frequently Asked Questions

What is CVE-2021-23444?

How severe is CVE-2021-23444?

CVE-2021-23444 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.80% probability of exploitation in the next 30 days.

How do I fix CVE-2021-23444?

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-2021-23444?

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

Scan your code now

Source: NVD / NIST