CVE-2020-7766: json-ptr project json-ptr

csirt@kutim:~/threat-intel/cve/CVE-2020-7766

CVSS 9.8 · Critical EPSS 1,9%

Kerentanan Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') pada json-ptr project json-ptr. Skor CVSS 3.1 9.8 (Critical) menurut NVD.

Deskripsi (NVD)

This affects all versions of package json-ptr. The issue occurs in the set operation (https://flitbit.github.io/json-ptr/classes/_src_pointer_.jsonpointer.htmlset) when the force flag is set to true. The function recursively set the property in the target object, however it does not properly check the key being set, leading to a prototype pollution.

Rincian

Terbit di NVD: 10 November 2020
Terakhir diubah: 17 Juni 2026
Status NVD: Modified
CVSS 3.1: 9.8 (Critical), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/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): 1,9% peluang dieksploitasi; lebih tinggi dari 79,1% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
json-ptr project	json-ptr	Semua versi sebelum 2.0.0

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1038396 exploit · advisory pihak ketiga
https://snyk.io/vuln/SNYK-JS-JSONPTR-1016939 exploit · advisory pihak ketiga
https://github.com/flitbit/json-ptr/blob/master/src/util.ts%23L174 broken link

Sumber: NVD · CVE.org · EPSS. Halaman ini disusun otomatis dari data tersebut; pembaruan terakhir 5 Okt 2026, 20:10 WITA. Kalau sistem di Perangkat Daerah memakai produk ini dan butuh bantuan, laporkan lewat kanal pelaporan.