Search/CVE-2021-3979
● CVE — Medium

CVE-2021-3979

Vendorfedoraproject, redhatProductfedora, ceph storage, openshift container storage, openstack platform, openshift data foundation, ceph storage for ibm z systems, ceph storage for powerDiscoveredAug 25, 2022UpdatedNov 3, 2025

A key length flaw was found in Red Hat Ceph Storage. An attacker can exploit the fact that the key length is incorrectly passed in an encryption algorithm to create a non random key, which is weaker and can be exploited for loss of confidentiality and integrity on encrypted disks.

CVSS v3.1
6.5 MEDIUM
EPSS
0.57%
probability of exploitation in 30 days
CISA KEV
Not listed
no confirmed exploitation reported
News coverage
0
sources referencing this CVE
Related IOCs
0
seen in the same coverage
EPSS Trend
Aug 16, 2026 → Oct 26, 2026
▲ 0.12pp
0.44% → 0.57% over 5 tracked changes
CVSS v3.1 Detail
Attack VectorNETWORK
Attack ComplexityLOW
Privileges RequiredNONE
User InteractionNONE
ScopeUNCHANGED
ConfidentialityLOW
IntegrityLOW
AvailabilityNONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Timeline
disclosure → media coverage
Aug 25, 2022
Disclosure — published as a CVE record. · last revised by NVD Nov 3, 2025