{"id":"CVE-2019-14282","url":"https://www.cyber-defence.io/tools/cve/CVE-2019-14282","generatedAt":"2026-10-29T01:00:04.226Z","title":"The simple_captcha2 gem 0.2.3 for Ruby, as distributed on RubyGems.org, included a code-execution backdoor inserted by a third party.","description":"The simple_captcha2 gem 0.2.3 for Ruby, as distributed on RubyGems.org, included a code-execution backdoor inserted by a third party.","published":"2019-07-26T05:15:11.000Z","lastModified":"2026-06-17T02:18:07.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.0","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-94"],"affected":["simple captcha2 project/simple captcha2"],"epss":{"score":0.03115,"percentile":0.87741,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (3.12%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://github.com/rubygems/rubygems.org/issues/2073","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://rubygems.org/gems/simple_captcha2/versions/","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://snyk.io/vuln/SNYK-RUBY-SIMPLECAPTCHA2-455501","source":"cve@mitre.org"},{"url":"https://github.com/rubygems/rubygems.org/issues/2073","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://rubygems.org/gems/simple_captcha2/versions/","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://snyk.io/vuln/SNYK-RUBY-SIMPLECAPTCHA2-455501","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2019-14282","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}