RCE in Gruntjs Grunt
CVE-2020-7729
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.023 (82.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 83rd percentile — 82.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.023 · newest: 0.023 · change: +0.000
Affected products
- Gruntjs Grunt
- Canonical Ubuntu Linux — versions 18.04
- Debian Linux — versions 9.0
- Grunt — versions unspecified
Weakness classification (CWE)
Public proof-of-concept exploits
References
- snyk.io/vuln/SNYK-JS-GRUNT-597546 (Exploit, Third Party Advisory)
- snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-607922 (Third Party Advisory)
- github.com/gruntjs/grunt/blob/master/lib/grunt/file.js#L249 (Broken Link)
- github.com/gruntjs/grunt/commit/e350cea1724eb3476464561a380fb6a64e61e4e7 (Patch, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2020/09/msg00008.html (mailing-list, Mailing List, Third Party Advisory)
- usn.ubuntu.com/4595-1/ (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-7729?
- CVE-2020-7729 is a high-severity vulnerability in Gruntjs Grunt, classified under Initialization of a Resource with an Insecure Default. CVSS score: 7.1/10. Published 2020-09-03.
- How severe is CVE-2020-7729?
- High severity. CVSS v3 base score is 7.1 out of 10.
- Is CVE-2020-7729 known to be exploited?
- 9 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.