{"cve":"CVE-2018-12021","nvd":{"published":"2018-07-05T18:29:00.297","modified":"2026-06-17T01:37:00.720","status":"Modified","description":"Singularity 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.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","score":6.5},"cwes":["CWE-200"],"references":["http://www.openwall.com/lists/oss-security/2019/05/16/1","https://github.com/singularityware/singularity/releases/tag/2.5.2","http://www.openwall.com/lists/oss-security/2019/05/16/1","https://github.com/singularityware/singularity/releases/tag/2.5.2"],"products":["sylabs:singularity"],"source":"nvd","synced_at":"2026-10-19T20:51:47.459859389+00:00"},"epss":{"cve":"CVE-2018-12021","score":0.01465,"percentile":0.73658,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-4x32-h296-rg6j","url":"https://osv.dev/vulnerability/GHSA-4x32-h296-rg6j","summary":"Singularity Incorrect Access Control ","modified":"2023-11-08T03:59:48.552215Z","packages":[{"ecosystem":"Go","name":"github.com/hpcng/singularity","purl":"pkg:golang/github.com/hpcng/singularity","ranges":[">=2.3.0 <2.5.2"],"fixed":["2.5.2"]}]}],"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."]}