CVE-2020-28480: The package jointjs before 3.3.0 are vulnerable to Prototype Pollution via util.setByPath (https://resources.j

Q: How do I fix CVE-2020-28480?

jointjs: upgrade to 3.3.0. Exact commands for each OS are on this page.

Q: Is CVE-2020-28480 being exploited?

CVE-2020-28480 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2020-28480 affect?

CVE-2020-28480 affects jointjs. Severity is high (CVSS 7.3). 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 properl

Q: How urgent is CVE-2020-28480?

Priority 49/100. High severity; Remotely exploitable, no login, no user action

This month

HIGH 7.3REMOTEUPGRADE

CVE-2020-28480 is a high-severity flaw (CVSS 7.3) affecting jointjs. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

High severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.3 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.4% (top 28%)
CISA exploited list	No
Published	2021-01-19
Last modified	2026-06-17

Publisher (CNA): Snyk · Vendor: jointjs

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2021-01-19 15:15 UTCPublished CVE record published
2026-06-17 03:10 UTCUpdated Record last modified

jointjs jointjs UPGRADE

Affected: < 3.3.0

Fixed in: 3.3.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy jointjs || rpm -q jointjs || jointjs --version

2. UPGRADE to 3.3.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade jointjs

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade jointjs

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2020-28480?

jointjs: upgrade to 3.3.0. Exact commands for each OS are on this page.

Is CVE-2020-28480 being exploited?

CVE-2020-28480 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2020-28480 affect?

CVE-2020-28480 affects jointjs. Severity is high (CVSS 7.3). 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 properl

How urgent is CVE-2020-28480?

Priority 49/100. High severity; Remotely exploitable, no login, no user action

Related CVEs

CVE-2021-23444 MEDIUM 5.6 UPGRADE This affects the package jointjs before 3.4.2
CVE-2020-28479 MEDIUM 5.9 UPGRADE The package jointjs before 3.3.0 are vulnerable to Denial of Service (DoS) via the unsetByPath function.

References

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