CVE-2020-28480

Name: CVE-2020-28480
Creator: NVD / NIST
Published: 2021-01-19T15:15:11.98+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.36%

Last modified Jun 17, 2026

CVE-2020-28480 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. The package jointjs before 3.3.0 are vulnerable to Prototype Pollution via util.setByPath (https://resources.jointjs.com/docs/jointjs/v3.2/joint.htmlutil.setByPath). The path used the access the object's key and set the value is not properly sanitized, leading to a Prototype Pollution.. EPSS estimates a 1.36% chance of exploitation in the next 30 days.

Description

The package jointjs before 3.3.0 are vulnerable to Prototype Pollution via util.setByPath (https://resources.jointjs.com/docs/jointjs/v3.2/joint.htmlutil.setByPath). The path used the access the object's key and set the value is not properly sanitized, leading to a Prototype Pollution.

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

1.36%

68.2th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Jointjs	Jointjs	< 3.3.0

References

https://github.com/clientIO/joint/blob/master/src/util/util.mjs%23L150Third Party Advisory
https://github.com/clientIO/joint/pull/1406Third Party Advisory
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWER-1062037Third Party Advisory
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1062036Third Party Advisory
https://snyk.io/vuln/SNYK-JS-JOINTJS-1024444Third Party Advisory
https://github.com/clientIO/joint/blob/master/src/util/util.mjs%23L150Third Party Advisory
https://github.com/clientIO/joint/pull/1406Third Party Advisory
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWER-1062037Third Party Advisory
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1062036Third Party Advisory
https://snyk.io/vuln/SNYK-JS-JOINTJS-1024444Third Party Advisory

Timeline

Published: Jan 19, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-28480?

How severe is CVE-2020-28480?

CVE-2020-28480 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.36% probability of exploitation in the next 30 days.

How do I fix CVE-2020-28480?

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-2020-28480?

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

Scan your code now

Source: NVD / NIST