Medium severity · published Aug 25, 2022
CVE-2021-3979
A key length flaw was found in Red Hat Ceph Storage
6.5
CVSS
0.6%
EPSS
No
On KEV
Description
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 47% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CS
Ceph Storage · Redhat
3.0; 4.3; 5.1; 4.0; 5.0; 4.0; +1 more · source: NVD
CS
Ceph Storage For Power · Redhat
4.0; 4.0 · source: NVD
FE
Fedora · Fedoraproject
35; 37 · source: NVD
OP
Openstack Platform · Redhat
13.0 · source: NVD