{"id":"CVE-2021-4075","aliases":["GHSA-553q-hpvp-q8pc"],"url":"https://o3.security/vulnerability/CVE-2021-4075","summary":"Server-Side Request Forgery in snipe/snipe-it","details":"Admin users on the external network can perform blind POST-based SSRF (issue requests on behalf of the server into the internal network) via the Slack Integration. This vulnerability is capable of port-scanning of the internal network, issue POST requests to web servers on the internal network which can be escalated to higher-impact.","published":"2021-12-06T21:15:07.907Z","modified":"2026-07-09T05:45:04.883307Z","cvss":{"score":7.2,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":1,"affectedPackages":[{"ecosystem":"Packagist","name":"snipe/snipe-it","fixedVersion":"6.0.0-GM"}],"fix":{"url":"https://github.com/snipe/snipe-it/commit/4612b9e711b3ff5d2bcddbec5b18866d25f8e34e","label":"snipe/snipe-it@4612b9e"},"references":[{"type":"FIX","url":"https://github.com/snipe/snipe-it/commit/4612b9e711b3ff5d2bcddbec5b18866d25f8e34e"},{"type":"FIX","url":"https://huntr.dev/bounties/4386fd8b-8c80-42bb-87b8-b506c46597de"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-4075"},{"type":"PACKAGE","url":"https://github.com/snipe/snipe-it"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-09T05:45:04.883307Z"}}