{"id":"CVE-2021-23391","aliases":[],"url":"https://o3.security/vulnerability/CVE-2021-23391","summary":"Calipso Arbitrary File Write via Archive Extraction (Zip Slip)","details":"This affects all versions of package calipso. It is possible for a malicious module to overwrite files on an arbitrary file system through the module install functionality.","published":"2021-06-08T18:47:18Z","modified":"2026-03-13T21:56:53.112882Z","cvss":{"score":7.3,"severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[{"ecosystem":"npm","name":"calipso","fixedVersion":null}],"fix":null,"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-23391"},{"type":"WEB","url":"https://github.com/cliftonc/calipso"},{"type":"WEB","url":"https://snyk.io/vuln/SNYK-JS-CALIPSO-1300555"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-03-13T21:56:53.112882Z"}}