Vulnerability Details : 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. 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.
Exploit prediction scoring system (EPSS) score for CVE-2020-8566
Probability of exploitation activity in the next 30 days: 0.05%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 14 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2020-8566
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|
|
2.1
|
LOW | AV:L/AC:L/Au:N/C:P/I:N/A:N |
3.9
|
2.9
|
[email protected] |
|
4.7
|
MEDIUM | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N |
1.0
|
3.6
|
[email protected] |
|
5.5
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
1.8
|
3.6
|
[email protected] |
CWE ids for CVE-2020-8566
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Information written to log files can be of a sensitive nature and give valuable guidance to an attacker or expose sensitive user information.Assigned by:
- [email protected] (Secondary)
- [email protected] (Primary)
References for CVE-2020-8566
-
https://security.netapp.com/advisory/ntap-20210122-0006/
Third Party Advisory
-
https://groups.google.com/g/kubernetes-security-discuss/c/vm-HcrFUOCs/m/36utxAM5CwAJ
Mailing List;Patch;Third Party Advisory
-
https://github.com/kubernetes/kubernetes/issues/95624
Third Party Advisory
Products affected by CVE-2020-8566
- cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:*
- cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:*
- cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:*