CVE-2020-7751

Name: CVE-2020-7751
Creator: NVD / NIST
Published: 2020-10-26T12:17:13.693+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.2/10EPSS 1.50%

Last modified Jun 17, 2026

CVE-2020-7751 is a high-severity vulnerability rated 7.2/10 on the CVSS scale. pathval before version 1.1.1 is vulnerable to prototype pollution.. EPSS estimates a 1.50% chance of exploitation in the next 30 days.

Description

pathval before version 1.1.1 is vulnerable to prototype pollution.

Metrics

CVSS 3.1

7.2/10

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

1.50%

71.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-1321

Affected Software

Vendor	Product	Versions
Chaijis	Pathval	< 1.1.1

References

https://github.com/chaijs/pathval/pull/58/filesPatch, Third Party Advisory
https://snyk.io/vuln/SNYK-JS-PATHVAL-596926Exploit, Patch, Third Party Advisory
https://github.com/chaijs/pathval/pull/58/filesPatch, Third Party Advisory
https://snyk.io/vuln/SNYK-JS-PATHVAL-596926Exploit, Patch, Third Party Advisory

Timeline

Published: Oct 26, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-7751?

pathval before version 1.1.1 is vulnerable to prototype pollution.

How severe is CVE-2020-7751?

CVE-2020-7751 has a CVSS score of 7.2/10 (HIGH severity). The EPSS model estimates a 1.50% probability of exploitation in the next 30 days.

How do I fix CVE-2020-7751?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-7751?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST