CVE-2021-38679 (GCVE-0-2021-38679)
Vulnerability from cvelistv5 – Published: 2022-02-11 13:20 – Updated: 2024-09-16 17:28
VLAI?
Title
Improper Authentication in Kazoo Server
Summary
An improper authentication vulnerability has been reported to affect QNAP NAS running Kazoo Server. If exploited, this vulnerability allows attackers to compromise the security of the system. We have already fixed this vulnerability in the following versions of Kazoo Server: Kazoo Server 4.11.22 and later
Severity ?
6.5 (Medium)
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.qnap.com/en/security-advisory/qsa-22-01 | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| QNAP Systems Inc. | Kazoo Server |
Affected:
unspecified , < 4.11.22
(custom)
|
Date Public ?
2022-02-11 00:00
Credits
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-04T01:51:19.135Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://www.qnap.com/en/security-advisory/qsa-22-01"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"product": "Kazoo Server",
"vendor": "QNAP Systems Inc.",
"versions": [
{
"lessThan": "4.11.22",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
}
],
"credits": [
{
"lang": "en",
"value": "XUELIANG SUN"
}
],
"datePublic": "2022-02-11T00:00:00.000Z",
"descriptions": [
{
"lang": "en",
"value": "An improper authentication vulnerability has been reported to affect QNAP NAS running Kazoo Server. If exploited, this vulnerability allows attackers to compromise the security of the system. We have already fixed this vulnerability in the following versions of Kazoo Server: Kazoo Server 4.11.22 and later"
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N",
"version": "3.1"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-287",
"description": "CWE-287",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2022-02-11T13:20:10.000Z",
"orgId": "2fd009eb-170a-4625-932b-17a53af1051f",
"shortName": "qnap"
},
"references": [
{
"tags": [
"x_refsource_MISC"
],
"url": "https://www.qnap.com/en/security-advisory/qsa-22-01"
}
],
"solutions": [
{
"lang": "en",
"value": "An improper authentication vulnerability has been reported to affect QNAP NAS running Kazoo Server. If exploited, this vulnerability allows attackers to compromise the security of the system.\nWe have already fixed this vulnerability in the following versions of Kazoo Server:\nKazoo Server 4.11.22 and later"
}
],
"source": {
"advisory": "QSA-22-01",
"discovery": "EXTERNAL"
},
"title": "Improper Authentication in Kazoo Server",
"x_generator": {
"engine": "Vulnogram 0.0.9"
},
"x_legacyV4Record": {
"CVE_data_meta": {
"ASSIGNER": "security@qnap.com",
"DATE_PUBLIC": "2022-02-11T08:19:00.000Z",
"ID": "CVE-2021-38679",
"STATE": "PUBLIC",
"TITLE": "Improper Authentication in Kazoo Server"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "Kazoo Server",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_value": "4.11.22"
}
]
}
}
]
},
"vendor_name": "QNAP Systems Inc."
}
]
}
},
"credit": [
{
"lang": "eng",
"value": "XUELIANG SUN"
}
],
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "An improper authentication vulnerability has been reported to affect QNAP NAS running Kazoo Server. If exploited, this vulnerability allows attackers to compromise the security of the system. We have already fixed this vulnerability in the following versions of Kazoo Server: Kazoo Server 4.11.22 and later"
}
]
},
"generator": {
"engine": "Vulnogram 0.0.9"
},
"impact": {
"cvss": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N",
"version": "3.1"
}
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "CWE-287"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://www.qnap.com/en/security-advisory/qsa-22-01",
"refsource": "MISC",
"url": "https://www.qnap.com/en/security-advisory/qsa-22-01"
}
]
},
"solution": [
{
"lang": "en",
"value": "An improper authentication vulnerability has been reported to affect QNAP NAS running Kazoo Server. If exploited, this vulnerability allows attackers to compromise the security of the system.\nWe have already fixed this vulnerability in the following versions of Kazoo Server:\nKazoo Server 4.11.22 and later"
}
],
"source": {
"advisory": "QSA-22-01",
"discovery": "EXTERNAL"
}
}
}
},
"cveMetadata": {
"assignerOrgId": "2fd009eb-170a-4625-932b-17a53af1051f",
"assignerShortName": "qnap",
"cveId": "CVE-2021-38679",
"datePublished": "2022-02-11T13:20:11.061Z",
"dateReserved": "2021-08-13T00:00:00.000Z",
"dateUpdated": "2024-09-16T17:28:42.210Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2021-38679",
"date": "2026-05-20",
"epss": "0.00198",
"percentile": "0.41642"
},
"nvd": "{\"cve\":{\"id\":\"CVE-2021-38679\",\"sourceIdentifier\":\"security@qnapsecurity.com.tw\",\"published\":\"2022-02-11T14:15:08.017\",\"lastModified\":\"2024-11-21T06:17:52.877\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"An improper authentication vulnerability has been reported to affect QNAP NAS running Kazoo Server. If exploited, this vulnerability allows attackers to compromise the security of the system. We have already fixed this vulnerability in the following versions of Kazoo Server: Kazoo Server 4.11.22 and later\"},{\"lang\":\"es\",\"value\":\"Se ha informado de una vulnerabilidad de autenticaci\u00f3n inapropiada que afecta a los NAS de QNAP que ejecutan Kazoo Server. Si es explotado, esta vulnerabilidad permite a atacantes comprometer la seguridad del sistema. Ya hemos corregido esta vulnerabilidad en las siguientes versiones de Kazoo Server: Kazoo Server versiones 4.11.22 y posteriores\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"security@qnapsecurity.com.tw\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N\",\"baseScore\":6.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":3.9,\"impactScore\":2.5},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":9.8,\"baseSeverity\":\"CRITICAL\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":5.9}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:P/I:P/A:P\",\"baseScore\":7.5,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"HIGH\",\"exploitabilityScore\":10.0,\"impactScore\":6.4,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"security@qnapsecurity.com.tw\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-287\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-287\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:qnap:kazoo_server:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"4.11.22\",\"matchCriteriaId\":\"1F809951-6303-45DC-873F-90CAA716F80C\"}]}]}],\"references\":[{\"url\":\"https://www.qnap.com/en/security-advisory/qsa-22-01\",\"source\":\"security@qnapsecurity.com.tw\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://www.qnap.com/en/security-advisory/qsa-22-01\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]}]}}"
}
}
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…