CVE-2020-8563

In Kubernetes clusters using VSphere as a cloud provider, with a logging level set to 4 or above, VSphere cloud credentials will be leaked in the cloud controller manager's log. This affects < v1.19.3.

CVSS v3 5.5 MEDIUM
CVSS v2.0 2.1 LOW

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

2.1^/10

CVSS v2.0 : LOW

Vector : AV:L/AC:L/Au:N/C:P/I:N/A:N

Exploitability : 3.9 / Impact : 2.9

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References

Link	Resource
https://github.com/kubernetes/kubernetes/issues/95621	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

Configurations

Configuration 1 (hide)

cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:*

History

29 Mar 2021, 19:31

Type	Values Removed	Values Added
References	~~(CONFIRM) https://security.netapp.com/advisory/ntap-20210122-0006/ -~~	(CONFIRM) https://security.netapp.com/advisory/ntap-20210122-0006/ - Third Party Advisory

26 Jan 2021, 18:16

Type	Values Removed	Values Added
References		(CONFIRM) https://security.netapp.com/advisory/ntap-20210122-0006/ -

Information

Published : 2020-12-07 22:15

Updated : 2023-12-10 13:41

NVD link : CVE-2020-8563

Mitre link : CVE-2020-8563

CVE.ORG link : CVE-2020-8563

JSON object : View

Products Affected

kubernetes

kubernetes

CWE

CWE-532

Insertion of Sensitive Information into Log File

{"id": "CVE-2020-8563", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 2.1, "accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:N", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "NONE", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "LOW", "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 1.8}, {"type": "Secondary", "source": "jordan@liggitt.net", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.7, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 1.0}]}, "published": "2020-12-07T22:15:21.197", "references": [{"url": "https://github.com/kubernetes/kubernetes/issues/95621", "tags": ["Third Party Advisory"], "source": "jordan@liggitt.net"}, {"url": "https://groups.google.com/g/kubernetes-security-discuss/c/vm-HcrFUOCs/m/36utxAM5CwAJ", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "source": "jordan@liggitt.net"}, {"url": "https://security.netapp.com/advisory/ntap-20210122-0006/", "tags": ["Third Party Advisory"], "source": "jordan@liggitt.net"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-532"}]}, {"type": "Secondary", "source": "jordan@liggitt.net", "description": [{"lang": "en", "value": "CWE-532"}]}], "descriptions": [{"lang": "en", "value": "In Kubernetes clusters using VSphere as a cloud provider, with a logging level set to 4 or above, VSphere cloud credentials will be leaked in the cloud controller manager's log. This affects < v1.19.3."}, {"lang": "es", "value": "En los cl\u00fasteres de Kubernetes que utilizan VSphere como proveedor de nube, con un nivel de registro establecido en 4 o superior, las credenciales de la nube de VSphere se filtrar\u00e1n en el registro del administrador del controlador de nube. Esto afecta a versiones anteriores a v1.19.3"}], "lastModified": "2021-03-29T19:31:10.220", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "515661A5-8AFF-45B7-932C-3B5CD32945F0", "versionEndExcluding": "1.19.3"}], "operator": "OR"}]}], "sourceIdentifier": "jordan@liggitt.net"}