{"cve":"CVE-2021-33589","nvd":{"published":"2023-04-21T12:15:07.390","modified":"2026-06-17T03:54:50.103","status":"Modified","description":"Ribose RNP before 0.15.1 does not implement a required step in a cryptographic algorithm, resulting in weaker encryption than on the tin of the algorithm.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","score":7.5},"cwes":["CWE-522"],"references":["https://open.ribose.com/advisories/ra-2021-05-30/#CVE-2021-33589","https://www.ribose.com/feedback/security","https://open.ribose.com/advisories/ra-2021-05-30/#CVE-2021-33589","https://www.ribose.com/feedback/security"],"products":["ribose:rnp"],"source":"nvd","synced_at":"2026-10-19T21:38:05.473481323+00:00"},"epss":{"cve":"CVE-2021-33589","score":0.00492,"percentile":0.42298,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}