fkie_cve-2021-22895
Vulnerability from fkie_nvd
Published
2021-06-11 16:15
Modified
2024-11-21 05:50
Severity ?
Summary
Nextcloud Desktop Client before 3.3.1 is vulnerable to improper certificate validation due to lack of SSL certificate verification when using the "Register with a Provider" flow.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| nextcloud | desktop | * | |
| debian | debian_linux | 10.0 | |
| debian | debian_linux | 11.0 |
{
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:nextcloud:desktop:*:*:*:*:*:*:*:*",
"matchCriteriaId": "6B91F382-D9ED-4928-90D2-3ED9DBFAF550",
"versionEndExcluding": "3.1.3",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*",
"matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*",
"matchCriteriaId": "FA6FEEC2-9F11-4643-8827-749718254FED",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Nextcloud Desktop Client before 3.3.1 is vulnerable to improper certificate validation due to lack of SSL certificate verification when using the \"Register with a Provider\" flow."
},
{
"lang": "es",
"value": "Nextcloud Desktop Client versiones anteriores a 3.3.1, es vulnerable a una comprobaci\u00f3n inapropiada de certificados debido a una falta de comprobaci\u00f3n de certificados SSL cuando se usa el flujo \"Register with a Provider\""
}
],
"id": "CVE-2021-22895",
"lastModified": "2024-11-21T05:50:51.690",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "MEDIUM",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "NONE",
"baseScore": 4.3,
"confidentialityImpact": "NONE",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
"version": "2.0"
},
"exploitabilityScore": 8.6,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 5.9,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N",
"version": "3.1"
},
"exploitabilityScore": 2.2,
"impactScore": 3.6,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2021-06-11T16:15:10.797",
"references": [
{
"source": "support@hackerone.com",
"tags": [
"Patch",
"Third Party Advisory"
],
"url": "https://github.com/nextcloud/desktop/pull/2926"
},
{
"source": "support@hackerone.com",
"tags": [
"Release Notes",
"Third Party Advisory"
],
"url": "https://github.com/nextcloud/desktop/releases/tag/v3.1.3"
},
{
"source": "support@hackerone.com",
"tags": [
"Third Party Advisory"
],
"url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-qpgp-vf4p-wcw5"
},
{
"source": "support@hackerone.com",
"tags": [
"Exploit",
"Issue Tracking",
"Third Party Advisory"
],
"url": "https://hackerone.com/reports/903424"
},
{
"source": "support@hackerone.com",
"tags": [
"Third Party Advisory"
],
"url": "https://www.debian.org/security/2021/dsa-4974"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Patch",
"Third Party Advisory"
],
"url": "https://github.com/nextcloud/desktop/pull/2926"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Release Notes",
"Third Party Advisory"
],
"url": "https://github.com/nextcloud/desktop/releases/tag/v3.1.3"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-qpgp-vf4p-wcw5"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Exploit",
"Issue Tracking",
"Third Party Advisory"
],
"url": "https://hackerone.com/reports/903424"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "https://www.debian.org/security/2021/dsa-4974"
}
],
"sourceIdentifier": "support@hackerone.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-295"
}
],
"source": "support@hackerone.com",
"type": "Secondary"
},
{
"description": [
{
"lang": "en",
"value": "CWE-295"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.