Auth bypass in Fedoraproject Fedora
CVE-2021-3979
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 confide…
Vulnerability class: POODLE (CVE-2014-3566)
EPSS: 0.004 (33.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.
Affected products
- Fedoraproject Fedora — versions 35, 37
- Redhat Ceph_storage — versions 3.0, 4.3, 5.1
- Redhat Ceph_storage_for_ibm_z_systems — versions 4.0
- Redhat Ceph_storage_for_power — versions 4.0
- Redhat Enterprise_linux — versions 8.0, 7.0
- Redhat Openshift_container_storage — versions 4.0
- Redhat Openshift_data_foundation — versions 4.0
- Redhat Openstack_platform — versions 13.0
- N/a Ceph — versions Not-Known
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (Issue Tracking, Vendor Advisory)
- secalert@redhat.com (Vendor Advisory)
- secalert@redhat.com (Issue Tracking, Vendor Advisory)
- secalert@redhat.com (Patch, Third Party Advisory)
- secalert@redhat.com (Patch, Third Party Advisory)
- secalert@redhat.com (vendor-advisory, Mailing List)
- secalert@redhat.com
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2021-3979?
- CVE-2021-3979 is a medium-severity vulnerability in Fedoraproject Fedora, classified under Use of a Broken or Risky Cryptographic Algorithm. CVSS score: 6.5/10. Published 2022-08-25.
- How severe is CVE-2021-3979?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2021-3979 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.