{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/9745?format=json","vulnerability_id":"VCID-439p-xmw5-w7b2","summary":"Command Injection\nactive-support could allow a remote attacker to execute arbitrary code on the system, caused by containing a malicious backdoor. An attacker could exploit this vulnerability to execute arbitrary code on the system.","aliases":[{"alias":"CVE-2018-3779"},{"alias":"GHSA-2j55-pcw5-x4h2"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/136996?format=json","purl":"pkg:gem/activesupport@5.2.1.rc1","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-1rxp-g9rz-4yb3"},{"vulnerability":"VCID-4tzv-1t1b-t3g3"},{"vulnerability":"VCID-5tky-d2en-u7c7"},{"vulnerability":"VCID-6ku5-mtgz-zygw"},{"vulnerability":"VCID-6pxd-xsaw-tuer"},{"vulnerability":"VCID-sarm-n22v-akcm"},{"vulnerability":"VCID-t684-yp58-hkg8"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:gem/activesupport@5.2.1.rc1"},{"url":"http://public2.vulnerablecode.io/api/packages/29978?format=json","purl":"pkg:gem/activesupport@5.2.1","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-1rxp-g9rz-4yb3"},{"vulnerability":"VCID-4tzv-1t1b-t3g3"},{"vulnerability":"VCID-5tky-d2en-u7c7"},{"vulnerability":"VCID-6ku5-mtgz-zygw"},{"vulnerability":"VCID-6pxd-xsaw-tuer"},{"vulnerability":"VCID-sarm-n22v-akcm"},{"vulnerability":"VCID-t684-yp58-hkg8"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:gem/activesupport@5.2.1"}],"affected_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/30001?format=json","purl":"pkg:gem/active-support@0","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-439p-xmw5-w7b2"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:gem/active-support@0"},{"url":"http://public2.vulnerablecode.io/api/packages/29976?format=json","purl":"pkg:gem/activesupport@5.2.0","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-1rxp-g9rz-4yb3"},{"vulnerability":"VCID-439p-xmw5-w7b2"},{"vulnerability":"VCID-4tzv-1t1b-t3g3"},{"vulnerability":"VCID-5tky-d2en-u7c7"},{"vulnerability":"VCID-6ku5-mtgz-zygw"},{"vulnerability":"VCID-6pxd-xsaw-tuer"},{"vulnerability":"VCID-sarm-n22v-akcm"},{"vulnerability":"VCID-t684-yp58-hkg8"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:gem/activesupport@5.2.0"}],"references":[{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2018-3779","reference_id":"","reference_type":"","scores":[{"value":"0.04871","scoring_system":"epss","scoring_elements":"0.89654","published_at":"2026-05-14T12:55:00Z"},{"value":"0.04871","scoring_system":"epss","scoring_elements":"0.89617","published_at":"2026-05-07T12:55:00Z"},{"value":"0.04871","scoring_system":"epss","scoring_elements":"0.89629","published_at":"2026-05-09T12:55:00Z"},{"value":"0.04871","scoring_system":"epss","scoring_elements":"0.89625","published_at":"2026-05-11T12:55:00Z"},{"value":"0.04871","scoring_system":"epss","scoring_elements":"0.89634","published_at":"2026-05-12T12:55:00Z"},{"value":"0.04871","scoring_system":"epss","scoring_elements":"0.8952","published_at":"2026-04-01T12:55:00Z"},{"value":"0.04871","scoring_system":"epss","scoring_elements":"0.89524","published_at":"2026-04-02T12:55:00Z"},{"value":"0.04871","scoring_system":"epss","scoring_elements":"0.89537","published_at":"2026-04-04T12:55:00Z"},{"value":"0.04871","scoring_system":"epss","scoring_elements":"0.89538","published_at":"2026-04-07T12:55:00Z"},{"value":"0.04871","scoring_system":"epss","scoring_elements":"0.89554","published_at":"2026-04-08T12:55:00Z"},{"value":"0.04871","scoring_system":"epss","scoring_elements":"0.89558","published_at":"2026-04-13T12:55:00Z"},{"value":"0.04871","scoring_system":"epss","scoring_elements":"0.89566","published_at":"2026-04-11T12:55:00Z"},{"value":"0.04871","scoring_system":"epss","scoring_elements":"0.89564","published_at":"2026-04-12T12:55:00Z"},{"value":"0.04871","scoring_system":"epss","scoring_elements":"0.89572","published_at":"2026-04-16T12:55:00Z"},{"value":"0.04871","scoring_system":"epss","scoring_elements":"0.89574","published_at":"2026-04-18T12:55:00Z"},{"value":"0.04871","scoring_system":"epss","scoring_elements":"0.89571","published_at":"2026-04-21T12:55:00Z"},{"value":"0.04871","scoring_system":"epss","scoring_elements":"0.89585","published_at":"2026-04-24T12:55:00Z"},{"value":"0.04871","scoring_system":"epss","scoring_elements":"0.8959","published_at":"2026-04-29T12:55:00Z"},{"value":"0.04871","scoring_system":"epss","scoring_elements":"0.89598","published_at":"2026-05-05T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2018-3779"},{"reference_url":"https://hackerone.com/reports/392311","reference_id":"","reference_type":"","scores":[{"value":"CRITICAL","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://hackerone.com/reports/392311"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2018-3779","reference_id":"CVE-2018-3779","reference_type":"","scores":[{"value":"CRITICAL","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-3779"},{"reference_url":"https://github.com/advisories/GHSA-2j55-pcw5-x4h2","reference_id":"GHSA-2j55-pcw5-x4h2","reference_type":"","scores":[{"value":"CRITICAL","scoring_system":"cvssv3.1_qr","scoring_elements":""},{"value":"CRITICAL","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/advisories/GHSA-2j55-pcw5-x4h2"}],"weaknesses":[{"cwe_id":1035,"name":"OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities","description":"Weaknesses in this category are related to the A9 category in the OWASP Top Ten 2017."},{"cwe_id":937,"name":"OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities","description":"Weaknesses in this category are related to the A9 category in the OWASP Top Ten 2013."},{"cwe_id":78,"name":"Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')","description":"The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component."},{"cwe_id":77,"name":"Improper Neutralization of Special Elements used in a Command ('Command Injection')","description":"The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component."}],"exploits":[],"severity_range_score":"9.0 - 10.0","exploitability":"0.5","weighted_severity":"9.0","risk_score":4.5,"resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-439p-xmw5-w7b2"}