CVEvulnerability
CVE-2021-20089
8.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2021-04-23
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 8.8 HIGH — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 6.5 MEDIUM — AV:N/AC:L/Au:S/C:P/I:P/A:P
- Weaknesses
- CWE-1321
Description
Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') in purl 2.3.2 allows a malicious user to inject properties into Object.prototype.
Affected configurations
• purl project purl 2.3.2
Related
Weakness · CWE (1)
- CWE-1321 Improperly Controlled Modification of Object Prototype Attributes weakness
References
- https://github.com/BlackFan/client-side-prototype-pollution/blob/master/pp/purl.md Exploit, Third Party Advisory
- https://github.com/BlackFan/client-side-prototype-pollution/blob/master/pp/purl.md Exploit, Third Party Advisory