{"cve":"CVE-2021-33575","nvd":{"published":"2021-05-25T23:15:07.457","modified":"2026-06-17T03:54:48.960","status":"Modified","description":"The Pixar ruby-jss gem before 1.6.0 allows remote attackers to execute arbitrary code because of the Plist gem's documented behavior of using Marshal.load during XML document processing.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":[],"references":["https://github.com/PixarAnimationStudios/ruby-jss/blob/e6d48dd8c77f9275c76787d60d3472615fcd9b77/CHANGES.md#160---2021-05-24","https://github.com/patsplat/plist/tree/ce8f9ae42a114f603ea200c955e420782bffc4ad#label-Security+considerations","https://github.com/PixarAnimationStudios/ruby-jss/blob/e6d48dd8c77f9275c76787d60d3472615fcd9b77/CHANGES.md#160---2021-05-24","https://github.com/patsplat/plist/tree/ce8f9ae42a114f603ea200c955e420782bffc4ad#label-Security+considerations"],"products":["pixar:ruby-jss"],"source":"nvd","synced_at":"2026-10-19T21:18:09.669877188+00:00"},"epss":{"cve":"CVE-2021-33575","score":0.02603,"percentile":0.8537,"date":"2026-11-01"},"kev":null,"osv":[{"id":"GHSA-vmfh-c547-v45h","url":"https://osv.dev/vulnerability/GHSA-vmfh-c547-v45h","summary":"Remote code execution in ruby-jss","modified":"2024-12-05T05:40:04.419664Z","packages":[{"ecosystem":"RubyGems","name":"ruby-jss","purl":"pkg:gem/ruby-jss","ranges":["<1.6.0"],"fixed":["1.6.0"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}