gsd-2020-8156
Vulnerability from gsd
Modified
2023-12-13 01:21
Details
A missing verification of the TLS host in Nextcloud Mail 1.1.3 allowed a man in the middle attack.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2020-8156",
"description": "A missing verification of the TLS host in Nextcloud Mail 1.1.3 allowed a man in the middle attack.",
"id": "GSD-2020-8156"
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2020-8156"
],
"details": "A missing verification of the TLS host in Nextcloud Mail 1.1.3 allowed a man in the middle attack.",
"id": "GSD-2020-8156",
"modified": "2023-12-13T01:21:53.755795Z",
"schema_version": "1.4.0"
}
},
"namespaces": {
"cve.org": {
"CVE_data_meta": {
"ASSIGNER": "support@hackerone.com",
"ID": "CVE-2020-8156",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "Nextcloud Mail",
"version": {
"version_data": [
{
"version_value": "1.1.4"
}
]
}
}
]
},
"vendor_name": "n/a"
}
]
}
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "A missing verification of the TLS host in Nextcloud Mail 1.1.3 allowed a man in the middle attack."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "Improper Certificate Validation (CWE-295)"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://nextcloud.com/security/advisory/?id=NC-SA-2020-020",
"refsource": "MISC",
"url": "https://nextcloud.com/security/advisory/?id=NC-SA-2020-020"
},
{
"name": "FEDORA-2020-c9863904de",
"refsource": "FEDORA",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KC6HLX5SG4PZO6Y54D2LFJ4ATG76BKOP/"
}
]
}
},
"nvd.nist.gov": {
"configurations": {
"CVE_data_version": "4.0",
"nodes": [
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:a:nextcloud:nextcloud_mail:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndExcluding": "1.1.4",
"vulnerable": true
}
],
"operator": "OR"
},
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*",
"cpe_name": [],
"vulnerable": true
}
],
"operator": "OR"
}
]
},
"cve": {
"CVE_data_meta": {
"ASSIGNER": "cve-assignments@hackerone.com",
"ID": "CVE-2020-8156"
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "en",
"value": "A missing verification of the TLS host in Nextcloud Mail 1.1.3 allowed a man in the middle attack."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "en",
"value": "CWE-295"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://nextcloud.com/security/advisory/?id=NC-SA-2020-020",
"refsource": "MISC",
"tags": [
"Vendor Advisory"
],
"url": "https://nextcloud.com/security/advisory/?id=NC-SA-2020-020"
},
{
"name": "FEDORA-2020-c9863904de",
"refsource": "FEDORA",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KC6HLX5SG4PZO6Y54D2LFJ4ATG76BKOP/"
}
]
}
},
"impact": {
"baseMetricV2": {
"acInsufInfo": false,
"cvssV2": {
"accessComplexity": "MEDIUM",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 6.8,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"exploitabilityScore": 8.6,
"impactScore": 6.4,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"severity": "MEDIUM",
"userInteractionRequired": false
},
"baseMetricV3": {
"cvssV3": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "LOW",
"baseScore": 7.0,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "LOW",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:L",
"version": "3.1"
},
"exploitabilityScore": 2.2,
"impactScore": 4.7
}
},
"lastModifiedDate": "2022-05-24T18:25Z",
"publishedDate": "2020-05-12T13:15Z"
}
}
}
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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.
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