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Vulnerability record · CVE-2020-1759 · published 13 April 2020

CVE-2020-1759: Redhat ceph storage vulnerability

Redhat · Ceph Storage

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.

6.8 CVSS 3.1 Medium EPSS 1.6% · top 24.8% CWE-323 · CWE-323CWE-330 · CWE-330
6.8CVSS 3.1 base score, v2 5.8
1.6%EPSS exploitation probability, 30 days
NoNot in CISA KEV
5Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

Description

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.

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N

Affected products

5 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1759 Issue TrackingPatchVendor Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/P3A2UFR5IUIEXJUCF64GQ5O
https://security.gentoo.org/glsa/202105-39 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1759 Issue TrackingPatchVendor Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/P3A2UFR5IUIEXJUCF64GQ5O
https://security.gentoo.org/glsa/202105-39 Third Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2020-1759), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.