Medium severity · published Dec 7, 2020
CVE-2020-8566
In Kubernetes clusters using Ceph RBD as a storage provisioner, with logging level of at least 4, Ceph RBD admin secrets can be written to logs
5.5
CVSS
0.5%
EPSS
No
On KEV
Description
In Kubernetes clusters using Ceph RBD as a storage provisioner, with logging level of at least 4, Ceph RBD admin secrets can be written to logs. This occurs in kube-controller-manager's logs during provisioning of Ceph RBD persistent claims. This affects < v1.19.3, < v1.18.10, < v1.17.13.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 44% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
KU
Kubernetes · Kubernetes
1.17.0 before 1.17.13; 1.18.0 before 1.18.10; 1.19.0 before 1.19.3 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-8566
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-8566
Third Party Advisory
https://github.com/kubernetes/kubernetes/issues/95624
Mailing List
https://groups.google.com/g/kubernetes-security-discuss/c/vm-HcrFUOCs/m/36utxAM5CwAJ
Third Party Advisory
https://security.netapp.com/advisory/ntap-20210122-0006/
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