CVE-2020-8563 (GCVE-0-2020-8563)
Vulnerability from cvelistv5 – Published: 2020-12-07 22:00 – Updated: 2024-09-16 17:18
VLAI
EPSS
VEX
Title
Secret leaks in logs for vSphere Provider kube-controller-manager
Summary
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.
Severity
4.7 (Medium)
CWE
- CWE-532 - Information Exposure Through Log Files
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/kubernetes/kubernetes/issues/95621 | x_refsource_CONFIRM |
| https://groups.google.com/g/kubernetes-security-d… | mailing-listx_refsource_MLIST |
| https://security.netapp.com/advisory/ntap-2021012… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Kubernetes | Kubernetes |
Affected:
< 1.19.3
|
Date Public
2020-10-15 00:00
Credits
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-04T10:03:46.114Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_refsource_CONFIRM",
"x_transferred"
],
"url": "https://github.com/kubernetes/kubernetes/issues/95621"
},
{
"name": "Multiple secret leaks when verbose logging is enabled",
"tags": [
"mailing-list",
"x_refsource_MLIST",
"x_transferred"
],
"url": "https://groups.google.com/g/kubernetes-security-discuss/c/vm-HcrFUOCs/m/36utxAM5CwAJ"
},
{
"tags": [
"x_refsource_CONFIRM",
"x_transferred"
],
"url": "https://security.netapp.com/advisory/ntap-20210122-0006/"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"product": "Kubernetes",
"vendor": "Kubernetes",
"versions": [
{
"status": "affected",
"version": "\u003c 1.19.3"
}
]
}
],
"credits": [
{
"lang": "en",
"value": "Kaizhe Huang (derek0405)"
}
],
"datePublic": "2020-10-15T00:00:00.000Z",
"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\u0027s log. This affects \u003c v1.19.3."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "HIGH",
"attackVector": "LOCAL",
"availabilityImpact": "NONE",
"baseScore": 4.7,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N",
"version": "3.1"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-532",
"description": "CWE-532 Information Exposure Through Log Files",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2021-01-22T12:06:19.000Z",
"orgId": "a6081bf6-c852-4425-ad4f-a67919267565",
"shortName": "kubernetes"
},
"references": [
{
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/kubernetes/kubernetes/issues/95621"
},
{
"name": "Multiple secret leaks when verbose logging is enabled",
"tags": [
"mailing-list",
"x_refsource_MLIST"
],
"url": "https://groups.google.com/g/kubernetes-security-discuss/c/vm-HcrFUOCs/m/36utxAM5CwAJ"
},
{
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://security.netapp.com/advisory/ntap-20210122-0006/"
}
],
"source": {
"defect": [
"https://github.com/kubernetes/kubernetes/issues/95621"
],
"discovery": "EXTERNAL"
},
"title": "Secret leaks in logs for vSphere Provider kube-controller-manager",
"workarounds": [
{
"lang": "en",
"value": "Do not enable verbose logging in production (log level \u003e= 4), limit access to logs."
}
],
"x_generator": {
"engine": "Vulnogram 0.0.9"
},
"x_legacyV4Record": {
"CVE_data_meta": {
"ASSIGNER": "security@kubernetes.io",
"DATE_PUBLIC": "2020-10-15T04:00:00.000Z",
"ID": "CVE-2020-8563",
"STATE": "PUBLIC",
"TITLE": "Secret leaks in logs for vSphere Provider kube-controller-manager"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "Kubernetes",
"version": {
"version_data": [
{
"version_value": "\u003c 1.19.3"
}
]
}
}
]
},
"vendor_name": "Kubernetes"
}
]
}
},
"credit": [
{
"lang": "eng",
"value": "Kaizhe Huang (derek0405)"
}
],
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"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\u0027s log. This affects \u003c v1.19.3."
}
]
},
"generator": {
"engine": "Vulnogram 0.0.9"
},
"impact": {
"cvss": {
"attackComplexity": "HIGH",
"attackVector": "LOCAL",
"availabilityImpact": "NONE",
"baseScore": 4.7,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N",
"version": "3.1"
}
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "CWE-532 Information Exposure Through Log Files"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://github.com/kubernetes/kubernetes/issues/95621",
"refsource": "CONFIRM",
"url": "https://github.com/kubernetes/kubernetes/issues/95621"
},
{
"name": "Multiple secret leaks when verbose logging is enabled",
"refsource": "MLIST",
"url": "https://groups.google.com/g/kubernetes-security-discuss/c/vm-HcrFUOCs/m/36utxAM5CwAJ"
},
{
"name": "https://security.netapp.com/advisory/ntap-20210122-0006/",
"refsource": "CONFIRM",
"url": "https://security.netapp.com/advisory/ntap-20210122-0006/"
}
]
},
"source": {
"defect": [
"https://github.com/kubernetes/kubernetes/issues/95621"
],
"discovery": "EXTERNAL"
},
"work_around": [
{
"lang": "en",
"value": "Do not enable verbose logging in production (log level \u003e= 4), limit access to logs."
}
]
}
}
},
"cveMetadata": {
"assignerOrgId": "a6081bf6-c852-4425-ad4f-a67919267565",
"assignerShortName": "kubernetes",
"cveId": "CVE-2020-8563",
"datePublished": "2020-12-07T22:00:25.689Z",
"dateReserved": "2020-02-03T00:00:00.000Z",
"dateUpdated": "2024-09-16T17:18:26.773Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2020-8563",
"date": "2026-07-19",
"epss": "0.00505",
"percentile": "0.39831"
},
"fkie_nvd": {
"configurations": "[{\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:*\", \"versionEndExcluding\": \"1.19.3\", \"matchCriteriaId\": \"515661A5-8AFF-45B7-932C-3B5CD32945F0\"}]}]}]",
"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\u0027s log. This affects \u003c 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\"}]",
"id": "CVE-2020-8563",
"lastModified": "2024-11-21T05:39:02.307",
"metrics": "{\"cvssMetricV31\": [{\"source\": \"jordan@liggitt.net\", \"type\": \"Secondary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N\", \"baseScore\": 4.7, \"baseSeverity\": \"MEDIUM\", \"attackVector\": \"LOCAL\", \"attackComplexity\": \"HIGH\", \"privilegesRequired\": \"LOW\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"NONE\"}, \"exploitabilityScore\": 1.0, \"impactScore\": 3.6}, {\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N\", \"baseScore\": 5.5, \"baseSeverity\": \"MEDIUM\", \"attackVector\": \"LOCAL\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"LOW\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"NONE\"}, \"exploitabilityScore\": 1.8, \"impactScore\": 3.6}], \"cvssMetricV2\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"2.0\", \"vectorString\": \"AV:L/AC:L/Au:N/C:P/I:N/A:N\", \"baseScore\": 2.1, \"accessVector\": \"LOCAL\", \"accessComplexity\": \"LOW\", \"authentication\": \"NONE\", \"confidentialityImpact\": \"PARTIAL\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"NONE\"}, \"baseSeverity\": \"LOW\", \"exploitabilityScore\": 3.9, \"impactScore\": 2.9, \"acInsufInfo\": false, \"obtainAllPrivilege\": false, \"obtainUserPrivilege\": false, \"obtainOtherPrivilege\": false, \"userInteractionRequired\": false}]}",
"published": "2020-12-07T22:15:21.197",
"references": "[{\"url\": \"https://github.com/kubernetes/kubernetes/issues/95621\", \"source\": \"jordan@liggitt.net\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://groups.google.com/g/kubernetes-security-discuss/c/vm-HcrFUOCs/m/36utxAM5CwAJ\", \"source\": \"jordan@liggitt.net\", \"tags\": [\"Mailing List\", \"Patch\", \"Third Party Advisory\"]}, {\"url\": \"https://security.netapp.com/advisory/ntap-20210122-0006/\", \"source\": \"jordan@liggitt.net\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://github.com/kubernetes/kubernetes/issues/95621\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://groups.google.com/g/kubernetes-security-discuss/c/vm-HcrFUOCs/m/36utxAM5CwAJ\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Mailing List\", \"Patch\", \"Third Party Advisory\"]}, {\"url\": \"https://security.netapp.com/advisory/ntap-20210122-0006/\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\"]}]",
"sourceIdentifier": "jordan@liggitt.net",
"vulnStatus": "Modified",
"weaknesses": "[{\"source\": \"jordan@liggitt.net\", \"type\": \"Secondary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-532\"}]}, {\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-532\"}]}]"
},
"microsoft_vex": {
"current_release_date": "2020-12-09T00:00:00.000Z",
"cve": "CVE-2020-8563",
"id": "msrc_CVE-2020-8563",
"initial_release_date": "2020-12-02T00:00:00.000Z",
"product_status:fixed": "5",
"product_status:known_affected": "5",
"source": "Microsoft CSAF VEX",
"status": "final",
"title": "Secret leaks in logs for vSphere Provider kube-controller-manager",
"url": "https://msrc.microsoft.com/csaf/vex/2020/msrc_cve-2020-8563.json",
"version": "1"
},
"nvd": "{\"cve\":{\"id\":\"CVE-2020-8563\",\"sourceIdentifier\":\"jordan@liggitt.net\",\"published\":\"2020-12-07T22:15:21.197\",\"lastModified\":\"2024-11-21T05:39:02.307\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"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\u0027s log. This affects \u003c 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\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"jordan@liggitt.net\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N\",\"baseScore\":4.7,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":1.0,\"impactScore\":3.6},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:L/AC:L/Au:N/C:P/I:N/A:N\",\"baseScore\":2.1,\"accessVector\":\"LOCAL\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"baseSeverity\":\"LOW\",\"exploitabilityScore\":3.9,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"jordan@liggitt.net\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-532\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-532\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"1.19.3\",\"matchCriteriaId\":\"515661A5-8AFF-45B7-932C-3B5CD32945F0\"}]}]}],\"references\":[{\"url\":\"https://github.com/kubernetes/kubernetes/issues/95621\",\"source\":\"jordan@liggitt.net\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://groups.google.com/g/kubernetes-security-discuss/c/vm-HcrFUOCs/m/36utxAM5CwAJ\",\"source\":\"jordan@liggitt.net\",\"tags\":[\"Mailing List\",\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://security.netapp.com/advisory/ntap-20210122-0006/\",\"source\":\"jordan@liggitt.net\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://github.com/kubernetes/kubernetes/issues/95621\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://groups.google.com/g/kubernetes-security-discuss/c/vm-HcrFUOCs/m/36utxAM5CwAJ\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Mailing List\",\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://security.netapp.com/advisory/ntap-20210122-0006/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]}]}}",
"redhat_vex": {
"aggregate_severity": "Moderate",
"current_release_date": "2025-11-21T16:15:50+00:00",
"cve": "CVE-2020-8563",
"id": "CVE-2020-8563",
"initial_release_date": "2020-10-14T00:00:00+00:00",
"product_status:fixed": "9",
"product_status:known_not_affected": "442",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "kubernetes: Secret leaks in kube-controller-manager when using vSphere Provider",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2020/cve-2020-8563.json",
"version": "3"
}
}
}
Loading…
Loading…
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Loading…
Loading…