CVE-2022-21803

Katalog CVE

CVSS 7.5 · High EPSS 1,8%

Kerentanan Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') pada nconf project nconf. Skor CVSS 3.1 7.5 (High) menurut NVD.

Deskripsi (NVD)

This affects the package nconf before 0.11.4. When using the memory engine, it is possible to store a nested JSON representation of the configuration. The .set() function, that is responsible for setting the configuration properties, is vulnerable to Prototype Pollution. By providing a crafted property, it is possible to modify the properties on the Object.prototype.

Rincian

Terbit di NVD

12 April 2022

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

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

Jenis kelemahan (CWE)

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

EPSS (30 hari)

1,8% peluang dieksploitasi; lebih tinggi dari 77,6% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://github.com/indexzero/nconf/pull/397 issue tracking · patch · advisory pihak ketiga
• https://github.com/indexzero/nconf/releases/tag/v0.11.4 release notes · advisory pihak ketiga
• https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-2632450 exploit · advisory pihak ketiga
• https://snyk.io/vuln/SNYK-JS-NCONF-2395478 exploit · advisory pihak ketiga