CVE-2021-33589: Ribose Rnp

High severity, CVSS 7.5. EPSS: 0.5% chance of exploitation in the next 30 days.

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.

Affected products

• Ribose Rnp: before 0.15.1 (fixed in 0.15.1)

Published 2023-04-21. Last modified 2026-06-17.