CVE-2020-7729

Name: CVE-2020-7729
Creator: NVD / NIST
Published: 2020-09-03T09:15:10.36+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.1/10EPSS 2.38%

Last modified Jun 17, 2026

CVE-2020-7729 is a high-severity vulnerability rated 7.1/10 on the CVSS scale. The package grunt before 1.3.0 are vulnerable to Arbitrary Code Execution due to the default usage of the function load() instead of its secure replacement safeLoad() of the package js-yaml inside grunt.file.readYAML.. EPSS estimates a 2.38% chance of exploitation in the next 30 days.

Description

The package grunt before 1.3.0 are vulnerable to Arbitrary Code Execution due to the default usage of the function load() instead of its secure replacement safeLoad() of the package js-yaml inside grunt.file.readYAML.

Metrics

CVSS 3.1

7.1/10

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

EPSS Probability

2.38%

81.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-1188

Affected Software

Vendor	Product	Versions
Gruntjs	Grunt	< 1.3.0
Debian	Debian Linux	9.0
Canonical	Ubuntu Linux	18.04

References

https://github.com/gruntjs/grunt/blob/master/lib/grunt/file.js%23L249Broken Link
https://github.com/gruntjs/grunt/commit/e350cea1724eb3476464561a380fb6a64e61e4e7Patch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/09/msg00008.htmlMailing List, Third Party Advisory
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-607922Third Party Advisory
https://snyk.io/vuln/SNYK-JS-GRUNT-597546Exploit, Third Party Advisory
https://usn.ubuntu.com/4595-1/Third Party Advisory
https://github.com/gruntjs/grunt/blob/master/lib/grunt/file.js%23L249Broken Link
https://github.com/gruntjs/grunt/commit/e350cea1724eb3476464561a380fb6a64e61e4e7Patch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/09/msg00008.htmlMailing List, Third Party Advisory
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-607922Third Party Advisory
https://snyk.io/vuln/SNYK-JS-GRUNT-597546Exploit, Third Party Advisory
https://usn.ubuntu.com/4595-1/Third Party Advisory

Timeline

Published: Sep 3, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-7729?

How severe is CVE-2020-7729?

CVE-2020-7729 has a CVSS score of 7.1/10 (HIGH severity). The EPSS model estimates a 2.38% probability of exploitation in the next 30 days.

How do I fix CVE-2020-7729?

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-2020-7729?

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

Scan your code now

Source: NVD / NIST