What is CVE-2020-7617?

CVE-2020-7617 is a medium-severity vulnerability in Ini-Parser Project, classified under Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution). CVSS score: 4.4/10. Published 2020-04-02.

How severe is CVE-2020-7617?

Medium severity. CVSS v3 base score is 4.4 out of 10.

Prototype Pollution in Ini-Parser Project

CVE-2020-7617

ini-parser through 0.0.2 is vulnerable to Prototype Pollution.The library could be tricked into adding or modifying properties of Object.prototype using a '__proto__' payload.

Vulnerability class: Prototype Pollution

Published 2020-04-02 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.4 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L.

EPSS exploit prediction

EPSS: 0.009 (57.1th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 57th percentile — 57.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: +0.000

Affected products

Ini-Parser Project
Rawiroaisen Ini-Parser — versions unspecified

Weakness classification (CWE)

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

References

github.com/rawiroaisen/node-ini-parser/blob/master/index.js (Patch, Third Party Advisory)
snyk.io/vuln/SNYK-JS-INIPARSER-564122 (Third Party Advisory, Mitigation)

Frequently asked questions

What is CVE-2020-7617?: CVE-2020-7617 is a medium-severity vulnerability in Ini-Parser Project, classified under Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution). CVSS score: 4.4/10. Published 2020-04-02.
How severe is CVE-2020-7617?: Medium severity. CVSS v3 base score is 4.4 out of 10.