{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/57348?format=json","vulnerability_id":"VCID-b2wt-5jwr-d7g7","summary":"Singularity Incorrect Access Control\nSingularity 2.3.0 through 2.5.1 is affected by an incorrect access control on systems supporting overlay file system. When using the overlay option, a malicious user may access sensitive information by exploiting a few specific Singularity features.","aliases":[{"alias":"CVE-2018-12021"},{"alias":"GHSA-4x32-h296-rg6j"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/939436?format=json","purl":"pkg:deb/debian/singularity-container@2.5.2-1?distro=sid","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/singularity-container@2.5.2-1%3Fdistro=sid"},{"url":"http://public2.vulnerablecode.io/api/packages/939435?format=json","purl":"pkg:deb/debian/singularity-container@4.1.5%2Bds4-1?distro=sid","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/singularity-container@4.1.5%252Bds4-1%3Fdistro=sid"}],"affected_packages":[],"references":[{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2018-12021","reference_id":"","reference_type":"","scores":[{"value":"0.00427","scoring_system":"epss","scoring_elements":"0.62527","published_at":"2026-05-14T12:55:00Z"},{"value":"0.00427","scoring_system":"epss","scoring_elements":"0.62385","published_at":"2026-04-13T12:55:00Z"},{"value":"0.00427","scoring_system":"epss","scoring_elements":"0.6243","published_at":"2026-04-16T12:55:00Z"},{"value":"0.00427","scoring_system":"epss","scoring_elements":"0.62437","published_at":"2026-05-07T12:55:00Z"},{"value":"0.00427","scoring_system":"epss","scoring_elements":"0.62421","published_at":"2026-04-21T12:55:00Z"},{"value":"0.00427","scoring_system":"epss","scoring_elements":"0.62432","published_at":"2026-04-24T12:55:00Z"},{"value":"0.00427","scoring_system":"epss","scoring_elements":"0.62448","published_at":"2026-05-11T12:55:00Z"},{"value":"0.00427","scoring_system":"epss","scoring_elements":"0.62444","published_at":"2026-04-29T12:55:00Z"},{"value":"0.00427","scoring_system":"epss","scoring_elements":"0.62389","published_at":"2026-05-05T12:55:00Z"},{"value":"0.00427","scoring_system":"epss","scoring_elements":"0.62495","published_at":"2026-05-09T12:55:00Z"},{"value":"0.00427","scoring_system":"epss","scoring_elements":"0.62474","published_at":"2026-05-12T12:55:00Z"},{"value":"0.00427","scoring_system":"epss","scoring_elements":"0.62277","published_at":"2026-04-01T12:55:00Z"},{"value":"0.00427","scoring_system":"epss","scoring_elements":"0.62334","published_at":"2026-04-02T12:55:00Z"},{"value":"0.00427","scoring_system":"epss","scoring_elements":"0.62365","published_at":"2026-04-04T12:55:00Z"},{"value":"0.00427","scoring_system":"epss","scoring_elements":"0.62331","published_at":"2026-04-07T12:55:00Z"},{"value":"0.00427","scoring_system":"epss","scoring_elements":"0.62381","published_at":"2026-04-08T12:55:00Z"},{"value":"0.00427","scoring_system":"epss","scoring_elements":"0.62398","published_at":"2026-04-09T12:55:00Z"},{"value":"0.00427","scoring_system":"epss","scoring_elements":"0.62417","published_at":"2026-04-11T12:55:00Z"},{"value":"0.00427","scoring_system":"epss","scoring_elements":"0.62407","published_at":"2026-04-12T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2018-12021"},{"reference_url":"https://github.com/singularityware/singularity","reference_id":"","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/singularityware/singularity"},{"reference_url":"https://github.com/singularityware/singularity/releases/tag/2.5.2","reference_id":"","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/singularityware/singularity/releases/tag/2.5.2"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2018-12021","reference_id":"","reference_type":"","scores":[{"value":"6.8","scoring_system":"cvssv2","scoring_elements":"AV:N/AC:L/Au:S/C:C/I:N/A:N"},{"value":"6.5","scoring_system":"cvssv3","scoring_elements":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"},{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-12021"},{"reference_url":"http://www.openwall.com/lists/oss-security/2019/05/16/1","reference_id":"","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"http://www.openwall.com/lists/oss-security/2019/05/16/1"},{"reference_url":"https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:sylabs:singularity:*:*:*:*:*:*:*:*","reference_id":"cpe:2.3:a:sylabs:singularity:*:*:*:*:*:*:*:*","reference_type":"","scores":[],"url":"https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:sylabs:singularity:*:*:*:*:*:*:*:*"},{"reference_url":"https://usn.ubuntu.com/USN-4840-1/","reference_id":"USN-USN-4840-1","reference_type":"","scores":[],"url":"https://usn.ubuntu.com/USN-4840-1/"}],"weaknesses":[{"cwe_id":200,"name":"Exposure of Sensitive Information to an Unauthorized Actor","description":"The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information."}],"exploits":[],"severity_range_score":"4.0 - 6.9","exploitability":null,"weighted_severity":null,"risk_score":null,"resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-b2wt-5jwr-d7g7"}