{"id":"CVE-2023-4472","state":"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.","publishedAt":"2024-02-01T22:11:21.361Z","updatedAt":"2025-06-11T16:45:41.501Z","severity":{"score":9.8,"label":"Critical","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","source":"CISA-ADP"},"assigner":"Mandiant","products":["Objectplanet Opinio"],"affected":[{"vendor":"Objectplanet","product":"Opinio","defaultStatus":"affected","versions":[{"version":"7.22","status":"affected"},{"version":"7.23","status":"unaffected"}],"platforms":["All","Cloud","Browser"]}],"references":["https://www.objectplanet.com/opinio/changelog.html","https://github.com/mandiant/Vulnerability-Disclosures/blob/master/2024/MNDT-2024-0002.md"],"weaknesses":["CWE-335"],"ingestedAt":"2026-10-29T20:06:33.064Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/4xxx/CVE-2023-4472.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2023-4472","state":"PUBLISHED","datePublished":"2024-02-01T22:11:21.361Z","dateUpdated":"2025-06-11T16:45:41.501Z","assignerShortName":"Mandiant","assignerOrgId":"027e81ed-0dd4-4685-ab4d-884aec5bb484","dateReserved":"2023-08-21T19:42:17.822Z"},"containers":{"cna":{"title":"Cryptographically weak PRNG in Opinio 7.22","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"Objectplanet","product":"Opinio","defaultStatus":"affected","versions":[{"version":"7.22","status":"affected"},{"version":"7.23","status":"unaffected"}],"platforms":["All","Cloud","Browser"]}],"references":[{"url":"https://www.objectplanet.com/opinio/changelog.html"},{"url":"https://github.com/mandiant/Vulnerability-Disclosures/blob/master/2024/MNDT-2024-0002.md"}],"problemTypes":[{"descriptions":[{"cweId":"CWE-335","description":"CWE-335 Incorrect Usage of Seeds in Pseudo-Random Number Generator (PRNG)","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"Mandiant","orgId":"027e81ed-0dd4-4685-ab4d-884aec5bb484","dateUpdated":"2024-02-01T22:11:21.361Z"},"credits":[{"lang":"en","type":"finder","user":"00000000-0000-4000-9000-000000000000","value":"Amine Ismail, Mandiant"},{"lang":"en","type":"reporter","user":"00000000-0000-4000-9000-000000000000","value":"Amine Ismail, Mandiant"}],"impacts":[{"capecId":"CAPEC-59","descriptions":[{"lang":"en","value":"CAPEC-59 Session Credential Falsification through Prediction"}]}],"source":{"discovery":"EXTERNAL"},"timeline":[{"lang":"en","time":"2023-08-21T17:00:00.000Z","value":"Issue reported to Objectplanet and CVE number assigned."},{"lang":"en","time":"2023-08-22T17:00:00.000Z","value":"Issue confirmed by Objectplanet and announced that a patch will be released in the next version."},{"lang":"en","time":"2023-08-31T17:00:00.000Z","value":"Objectplanet released version 7.23. Mandiant delayed vulnerability disclosure to allow Opinio customers time to patch."}],"x_generator":{"engine":"Vulnogram 0.1.0-dev"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":9.8,"attackVector":"NETWORK","baseSeverity":"CRITICAL","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"NONE","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2024-02-21T19:37:11.901532Z","id":"CVE-2023-4472","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-06-11T16:45:41.501Z"}},{"title":"CVE Program Container","references":[{"url":"https://www.objectplanet.com/opinio/changelog.html","tags":["x_transferred"]},{"url":"https://github.com/mandiant/Vulnerability-Disclosures/blob/master/2024/MNDT-2024-0002.md","tags":["x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-02T07:31:05.503Z"}}]}}}