{"id":"CVE-2019-13589","aliases":["EUVD-2019-0575","GHSA-4g4c-8gqh-m4vm"],"status":"published","title":"paranoid2 gem Code backdoor","description":"The paranoid2 gem 1.1.6 for Ruby, as distributed on RubyGems.org, included a code-execution backdoor inserted by a third party. The current version, without this backdoor, is 1.1.5.","severity":{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.0435,"percentile":0.91296,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-829"],"published":"2019-07-14T15:03:37Z","modified":"2026-06-17T02:17:02Z","affected":[{"source":"ghsa","ecosystem":"RubyGems","package":"paranoid2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.1.6"},{"last_affected":"1.1.6"}]}],"versions":["1.1.6"]},{"source":"osv","ecosystem":"RubyGems","package":"paranoid2","versions":["1.1.6"]}],"products":[{"vendor":"anjlab","product":"paranoid2"}],"references":[{"url":"https://github.com/rubygems/rubygems.org/issues/2051","tags":["x_refsource_MISC","x_transferred","Exploit","Issue Tracking","Third Party Advisory","web"]},{"url":"https://rubygems.org/gems/paranoid2/versions","tags":["x_refsource_MISC","x_transferred","Vendor Advisory","web"]},{"url":"http://www.securityfocus.com/bid/109281","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry","web"]},{"url":"https://snyk.io/vuln/SNYK-RUBY-PARANOID2-451600","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-13589","tags":["advisory"]},{"url":"https://github.com/rubysec/ruby-advisory-db/blob/master/gems/paranoid2/CVE-2019-13589.yml","tags":["web"]},{"url":"https://github.com/advisories/GHSA-4g4c-8gqh-m4vm"},{"url":"https://github.com/anjlab/paranoid2","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2019-13589","description":"The paranoid2 gem 1.1.6 for Ruby, as distributed on RubyGems.org, included a code-execution backdoor inserted by a third party. The current version, without this backdoor, is 1.1.5.","status":"published","published":"2019-07-14T15:03:37Z","modified":"2024-08-04T23:57:39.426Z","updated_at":"2026-11-02T14:20:24.357095Z"}],"euvd":[{"id":"EUVD-2019-0575","description":"The paranoid2 gem 1.1.6 for Ruby, as distributed on RubyGems.org, included a code-execution backdoor inserted by a third party. The current version, without this backdoor, is 1.1.5.","status":"published","published":"2019-07-14T15:03:37Z","modified":"2024-08-04T23:57:39Z","updated_at":"2026-11-03T02:40:42.441902Z"}],"ghsa":[{"id":"GHSA-4g4c-8gqh-m4vm","title":"paranoid2 gem Code backdoor","description":"The paranoid2 gem 1.1.6 for Ruby, as distributed on RubyGems.org, included a code-execution backdoor inserted by a third party. The current version, without this backdoor, is 1.1.5.","status":"published","published":"2019-07-16T00:41:55Z","modified":"2023-08-29T14:11:16Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-829"],"updated_at":"2026-11-02T14:37:01.345964Z"}],"nvd":[{"id":"CVE-2019-13589","description":"The paranoid2 gem 1.1.6 for Ruby, as distributed on RubyGems.org, included a code-execution backdoor inserted by a third party. The current version, without this backdoor, is 1.1.5.","status":"published","published":"2019-07-14T16:15:10.417Z","modified":"2026-06-17T02:17:02.19Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-829"],"updated_at":"2026-11-02T14:05:19.195714Z"}],"osv":[{"id":"GHSA-4g4c-8gqh-m4vm","title":"paranoid2 gem Code backdoor","description":"The paranoid2 gem 1.1.6 for Ruby, as distributed on RubyGems.org, included a code-execution backdoor inserted by a third party. The current version, without this backdoor, is 1.1.5.","status":"published","published":"2019-07-16T00:41:55Z","modified":"2026-03-13T22:11:53.350253Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-829"],"updated_at":"2026-11-02T15:46:36.782754Z"}]}}