CVE-2021-20089

Katalog CVE

CVSS 8.8 · High EPSS 1,6%

Kerentanan Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') pada purl project purl. Skor CVSS 3.1 8.8 (High) menurut NVD.

Deskripsi (NVD)

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

Rincian

Terbit di NVD

23 April 2021

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

8.8 (High), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-1321: Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')

EPSS (30 hari)

1,6% peluang dieksploitasi; lebih tinggi dari 75,2% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://github.com/BlackFan/client-side-prototype-pollution/blob/master/pp/purl.md exploit · advisory pihak ketiga