CVE-2021-20089

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Source

https://cve.org/CVERecord?id=CVE-2021-20089

Import Source

https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-20089.json

JSON Data

https://api.osv.dev/v1/vulns/CVE-2021-20089

Published

2021-04-23T19:15:11.140Z

Modified

2025-11-20T11:28:45.611232Z

Severity

8.8 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator

Summary

[none]

Details

Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') in purl 2.3.2 allows a malicious user to inject properties into Object.prototype.

References

https://github.com/BlackFan/client-side-prototype-pollution/blob/master/pp/purl.md

Affected packages

Git / github.com/allmarkedup/purl

Affected ranges

Type: GIT
Repo: https://github.com/allmarkedup/purl
Events: Introduced

0 Unknown introduced commit / All previous commits are affected

Last affected

6df9a03833ebbd479baede1e0111186a5d9906a2

Affected versions

2.*

2.3.2

v1.*

v1.1

v2.*

v2.0

v2.2

v2.2.1

v2.3

v2.3.1

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-20089.json"