5.5
MEDIUM CVSS 3.1
CVE-2020-8566
Kubernetes Ceph RBD Storage Provisioner Admin Secret Disclosure
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.

INFO

Published Date :

Dec. 7, 2020, 10:15 p.m.

Last Modified :

Nov. 21, 2024, 5:39 a.m.

Remotely Exploit :

No
Affected Products

The following products are affected by CVE-2020-8566 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Kubernetes kubernetes
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 LOW [email protected]
CVSS 3.1 MEDIUM [email protected]
CVSS 3.1 MEDIUM [email protected]
Solution
An issue in Kubernetes allows for the disclosure of Ceph RBD admin secrets; this can be remediated by updating Kubernetes and related packages.
  • Update the Kubernetes packages to a version greater than 1.19.3, 1.18.10, or 1.17.13.
  • For SUSE deployments, use YaST online_update or zypper patch.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2020-8566.

URL Resource
https://github.com/kubernetes/kubernetes/issues/95624 Third Party Advisory
https://groups.google.com/g/kubernetes-security-discuss/c/vm-HcrFUOCs/m/36utxAM5CwAJ Mailing List Patch Third Party Advisory
https://security.netapp.com/advisory/ntap-20210122-0006/ Third Party Advisory
https://github.com/kubernetes/kubernetes/issues/95624 Third Party Advisory
https://groups.google.com/g/kubernetes-security-discuss/c/vm-HcrFUOCs/m/36utxAM5CwAJ Mailing List Patch Third Party Advisory
https://security.netapp.com/advisory/ntap-20210122-0006/ Third Party Advisory
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2020-8566 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2020-8566 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2020-8566 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-8566 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://github.com/kubernetes/kubernetes/issues/95624
    Added Reference https://groups.google.com/g/kubernetes-security-discuss/c/vm-HcrFUOCs/m/36utxAM5CwAJ
    Added Reference https://security.netapp.com/advisory/ntap-20210122-0006/
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Modified Analysis by [email protected]

    Mar. 29, 2021

    Action Type Old Value New Value
    Changed Reference Type https://security.netapp.com/advisory/ntap-20210122-0006/ No Types Assigned https://security.netapp.com/advisory/ntap-20210122-0006/ Third Party Advisory
  • CVE Modified by [email protected]

    Jan. 26, 2021

    Action Type Old Value New Value
    Added Reference https://security.netapp.com/advisory/ntap-20210122-0006/ [No Types Assigned]
  • Initial Analysis by [email protected]

    Dec. 09, 2020

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:P/I:N/A:N)
    Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
    Changed Reference Type https://github.com/kubernetes/kubernetes/issues/95624 No Types Assigned https://github.com/kubernetes/kubernetes/issues/95624 Third Party Advisory
    Changed Reference Type https://groups.google.com/g/kubernetes-security-discuss/c/vm-HcrFUOCs/m/36utxAM5CwAJ No Types Assigned https://groups.google.com/g/kubernetes-security-discuss/c/vm-HcrFUOCs/m/36utxAM5CwAJ Mailing List, Patch, Third Party Advisory
    Added CWE NIST CWE-532
    Added CPE Configuration OR *cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:* versions from (including) 1.17.0 up to (excluding) 1.17.13 *cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:* versions from (including) 1.18.0 up to (excluding) 1.18.10 *cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:* versions from (including) 1.19.0 up to (excluding) 1.19.3
  • CVE Modified by [email protected]

    Dec. 07, 2020

    Action Type Old Value New Value
    Changed 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. 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.
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 5.5
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Base CVSS Score: 2.1
Access Vector
Access Complexity
Authentication
Confidentiality Impact
Integrity Impact
Availability Impact
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.23 }} 0.02%

score

0.45317

percentile