CVE-2020-1759: Fedoraproject Fedora

Medium severity, CVSS 6.8. EPSS: 1.6% chance of exploitation in the next 30 days.

A vulnerability was found in Red Hat Ceph Storage 4 and Red Hat Openshift Container Storage 4.2 where, A nonce reuse vulnerability was discovered in the secure mode of the messenger v2 protocol, which can allow an attacker to forge auth tags and potentially manipulate the data by leveraging the reuse of a nonce in a session. Messages encrypted using a reused nonce value are susceptible to serious confidentiality and integrity attacks.

Affected products

• Fedoraproject Fedora: version 31 only
• Linuxfoundation Ceph: before 14.2.21 (fixed in 14.2.21)
• Red Hat Ceph Storage: version 4.0 only
• Red Hat Openshift: version 4.2 only
• Red Hat Openstack: version 15 only

Published 2020-04-13. Last modified 2026-06-17.