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.
CVE-2020-7729
This high-severity CVE scores 7.1 under NVD CVSS v3. EPSS exploit probability: 2.4%, top 15% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- High severity, but no confirmed exploitation yet
A fix is available — apply it.
- CVSS v3
- 7.1
- EG Score
- 7.1(medium)
- EPSS
- 81.1%
- KEV
- Not listed
Published
September 3, 2020
Last Modified
November 21, 2024
References (12)
- report@snykhttps://github.com/gruntjs/grunt/blob/master/lib/grunt/file.js%23L249
- report@snykhttps://github.com/gruntjs/grunt/commit/e350cea1724eb3476464561a380fb6a64e61e4e7
- report@snykhttps://lists.debian.org/debian-lts-announce/2020/09/msg00008.html
- report@snykhttps://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-607922
- report@snykhttps://snyk.io/vuln/SNYK-JS-GRUNT-597546
- report@snykhttps://usn.ubuntu.com/4595-1/
- af854a3a-2127-422b-91ae-364da2661108https://github.com/gruntjs/grunt/blob/master/lib/grunt/file.js%23L249
- af854a3a-2127-422b-91ae-364da2661108https://github.com/gruntjs/grunt/commit/e350cea1724eb3476464561a380fb6a64e61e4e7
- af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2020/09/msg00008.html
- af854a3a-2127-422b-91ae-364da2661108https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-607922
- af854a3a-2127-422b-91ae-364da2661108https://snyk.io/vuln/SNYK-JS-GRUNT-597546
- af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/4595-1/
Patch Availability(2)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| ubuntu | grunt (1.0.1-8ubuntu0.1) @ bionic | 2026-05-26 | ubuntu |
| ubuntu | grunt (1.0.4-2ubuntu0.1~esm1) @ focal | 2026-05-26 | ubuntu |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
Affected Packages
(1 across 1 ecosystem)
npm(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| grunt | — | 1.3.0 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
All Vendor Advisories
(2)
Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.
Data Freshness Timeline
(refreshed 10× in last 7d / 48× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-12 05:44 UTCEPSS rescore
- 2026-07-12 05:44 UTCEPSS rescore
- 2026-07-11 08:25 UTCEPSS rescore
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- 2026-07-09 19:07 UTCEPSS rescore
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- 2026-07-07 13:43 UTCEPSS rescore
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- 2026-07-04 06:29 UTCEPSS rescore
- 2026-07-04 06:29 UTCEPSS rescore
- 2026-07-02 16:57 UTCEPSS rescore
- 2026-07-01 15:03 UTCEPSS rescore
- 2026-07-01 12:21 UTCOSV refresh
- 2026-06-30 23:20 UTCEPSS rescore
- 2026-06-30 23:20 UTCEPSS rescore
- 2026-06-28 14:05 UTCEPSS rescore
- 2026-06-28 04:54 UTCEPSS rescore
- 2026-06-28 04:54 UTCEPSS rescore
- 2026-06-27 03:06 UTCEPSS rescore
- 2026-06-27 03:06 UTCEPSS rescore
- 2026-06-25 13:48 UTCEPSS rescore
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- 2026-06-25 13:48 UTCEPSS rescore
- 2026-06-24 14:03 UTCEPSS rescore
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- 2026-06-21 01:57 UTCEPSS rescore
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- 2026-06-19 19:24 UTCEPSS rescore
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- 2026-06-18 17:51 UTCEPSS rescore
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- 2026-06-14 23:15 UTCEPSS rescore
- 2026-06-13 22:58 UTCEPSS rescore
- 2026-06-13 22:58 UTCEPSS rescore
- 2026-06-13 19:43 UTCOSV refresh
- 2026-06-12 23:10 UTCEPSS rescore
- 2026-06-12 23:10 UTCEPSS rescore
- 2026-06-11 13:58 UTCEPSS rescore
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- 2026-06-10 22:16 UTCEPSS rescore
- 2026-06-10 13:20 UTCEPSS rescore
- 2026-06-08 14:15 UTCEPSS rescore
- 2026-06-07 15:23 UTCEPSS rescore
- 2026-06-07 15:23 UTCEPSS rescore
- 2026-06-06 13:46 UTCEPSS rescore
- 2026-06-06 13:46 UTCEPSS rescore
- 2026-06-06 13:46 UTCEPSS rescore
- 2026-06-05 22:45 UTCEPSS rescore
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- 2026-06-04 13:10 UTCEPSS rescore
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- 2026-06-02 20:11 UTCEPSS rescore
- 2026-06-01 13:50 UTCEPSS rescore
- 2026-05-31 22:29 UTCEPSS rescore
- 2026-05-31 22:29 UTCEPSS rescore
- 2026-05-31 00:15 UTCEPSS rescore
- 2026-05-31 00:15 UTCEPSS rescore
- 2026-05-29 13:42 UTCEPSS rescore
- 2026-05-28 13:43 UTCEPSS rescore
- 2026-05-28 13:43 UTCEPSS rescore
- 2026-05-27 13:39 UTCEPSS rescore
- 2026-05-27 13:39 UTCEPSS rescore
- 2026-05-26 23:33 UTCEG score recompute
- 2026-05-26 23:33 UTCVendor advisory
- 2026-05-26 13:42 UTCEPSS rescore
- 2026-05-26 13:42 UTCEPSS rescore
- 2026-05-26 07:17 UTCEPSS rescore
- 2026-05-26 07:17 UTCEPSS rescore
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Frequently asked(5)
What is CVE-2020-7729?
When was CVE-2020-7729 disclosed?
Is CVE-2020-7729 actively exploited?
What is the CVSS score of CVE-2020-7729?
How do I remediate CVE-2020-7729?
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2020-7729
Is Your Infrastructure Affected by CVE-2020-7729?
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