{"id":"CVE-2023-4472","aliases":["EUVD-2023-54327","GHSA-x62r-6wv3-49pm"],"status":"published","title":"Cryptographically weak PRNG in Opinio 7.22","description":"Objectplanet Opinio version 7.22 and prior uses a cryptographically weak pseudo-random number generator (PRNG) coupled to a predictable seed, which could lead to an unauthenticated account takeover of any user on the application.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00742,"percentile":0.54963,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-335"],"published":"2024-02-01T22:11:21Z","modified":"2026-06-17T06:37:54Z","products":[{"vendor":"objectplanet","product":"opinio"}],"references":[{"url":"https://www.objectplanet.com/opinio/changelog.html","tags":["x_transferred","Release Notes"]},{"url":"https://github.com/mandiant/Vulnerability-Disclosures/blob/master/2024/MNDT-2024-0002.md","tags":["x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-4472"},{"url":"https://github.com/advisories/GHSA-x62r-6wv3-49pm"}],"sources":{"cve":[{"id":"CVE-2023-4472","title":"Cryptographically weak PRNG in Opinio 7.22","description":"Objectplanet Opinio version 7.22 and prior uses a cryptographically weak pseudo-random number generator (PRNG) coupled to a predictable seed, which could lead to an unauthenticated account takeover of any user on the application.","status":"published","published":"2024-02-01T22:11:21.361Z","modified":"2025-06-11T16:45:41.501Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"adp"}],"cwes":["CWE-335"],"updated_at":"2026-11-02T14:35:30.474787Z"}],"euvd":[{"id":"EUVD-2023-54327","description":"Objectplanet Opinio version 7.22 and prior uses a cryptographically weak pseudo-random number generator (PRNG) coupled to a predictable seed, which could lead to an unauthenticated account takeover of any user on the application.","status":"published","published":"2024-02-01T22:11:21Z","modified":"2025-06-11T16:45:41Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T20:32:24.98161Z"}],"ghsa":[{"id":"GHSA-x62r-6wv3-49pm","title":"Objectplanet Opinio version 7.22 and prior uses a cryptographically weak pseudo-random number...","description":"Objectplanet Opinio version 7.22 and prior uses a cryptographically weak pseudo-random number generator (PRNG) coupled to a predictable seed, which could lead to an unauthenticated account takeover of any user on the application.","status":"published","published":"2024-02-02T00:31:25Z","modified":"2024-02-19T05:07:32Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-335"],"updated_at":"2026-11-02T14:55:37.87337Z"}],"nvd":[{"id":"CVE-2023-4472","description":"Objectplanet Opinio version 7.22 and prior uses a cryptographically weak pseudo-random number generator (PRNG) coupled to a predictable seed, which could lead to an unauthenticated account takeover of any user on the application.","status":"published","published":"2024-02-01T22:15:55.22Z","modified":"2026-06-17T06:37:54.37Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-335"],"updated_at":"2026-11-02T14:09:04.527564Z"}]}}