{"id":"CVE-2023-28395","aliases":["EUVD-2023-32091","GHSA-94w5-83fg-vhgc"],"status":"published","title":"CVE-2023-28395","description":"Osprey Pump Controller version 1.01 is vulnerable to a weak session token generation algorithm that can be predicted and can aid in authentication and authorization bypass. This may allow an attacker to hijack a session by predicting the session id and gain unauthorized access to the product.","severity":{"version":"3.1","score":8.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00649,"percentile":0.51573,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-338"],"published":"2023-03-28T19:59:29Z","modified":"2026-06-17T05:47:37Z","products":[{"vendor":"propump and controls, inc.","product":"osprey pump controller"},{"vendor":"propumpservice","product":"osprey_pump_controller_firmware"}],"references":[{"url":"https://www.cisa.gov/news-events/ics-advisories/icsa-23-082-06","tags":["x_transferred","Third Party Advisory","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-28395"},{"url":"https://github.com/advisories/GHSA-94w5-83fg-vhgc"}],"sources":{"cve":[{"id":"CVE-2023-28395","title":"CVE-2023-28395","description":"Osprey Pump Controller version 1.01 is vulnerable to a weak session token generation algorithm that can be predicted and can aid in authentication and authorization bypass. This may allow an attacker to hijack a session by predicting the session id and gain unauthorized access to the product.","status":"published","published":"2023-03-28T19:59:29.953Z","modified":"2025-01-16T21:38:44.402Z","cvss":[{"version":"3.1","score":8.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L","level":"high","assessor":"cna"}],"updated_at":"2026-11-02T14:35:32.752775Z"}],"euvd":[{"id":"EUVD-2023-32091","description":"Osprey Pump Controller version 1.01 is vulnerable to a weak session token generation algorithm that can be predicted and can aid in authentication and authorization bypass. This may allow an attacker to hijack a session by predicting the session id and gain unauthorized access to the product.","status":"published","published":"2023-03-28T19:59:29Z","modified":"2025-01-16T21:38:44Z","cvss":[{"version":"3.1","score":8.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L","level":"high"}],"updated_at":"2026-11-03T00:04:17.573711Z"}],"ghsa":[{"id":"GHSA-94w5-83fg-vhgc","title":"Osprey Pump Controller version 1.01 is vulnerable to a weak session token generation algorithm...","description":"Osprey Pump Controller version 1.01 is vulnerable to a weak session token generation algorithm that can be predicted and can aid in authentication and authorization bypass. This may allow an attacker to hijack a session by predicting the session id and gain unauthorized access to the product.","status":"published","published":"2023-03-28T21:30:17Z","modified":"2023-04-12T05:01:08Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"cwes":["CWE-338"],"updated_at":"2026-11-02T14:54:29.326702Z"}],"nvd":[{"id":"CVE-2023-28395","description":"Osprey Pump Controller version 1.01 is vulnerable to a weak session token generation algorithm that can be predicted and can aid in authentication and authorization bypass. This may allow an attacker to hijack a session by predicting the session id and gain unauthorized access to the product.","status":"published","published":"2023-03-28T20:15:15.53Z","modified":"2026-06-17T05:47:37.59Z","cvss":[{"version":"3.1","score":8.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L","level":"high","assessor":"secondary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary"}],"cwes":["CWE-338"],"updated_at":"2026-11-02T14:07:51.883939Z"}]}}