gsd-2021-33766
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
Microsoft Exchange Information Disclosure Vulnerability
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2021-33766",
"description": "Microsoft Exchange Information Disclosure Vulnerability",
"id": "GSD-2021-33766"
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2021-33766"
],
"details": "Microsoft Exchange Information Disclosure Vulnerability",
"id": "GSD-2021-33766",
"modified": "2023-12-13T01:23:18.319149Z",
"schema_version": "1.4.0"
}
},
"namespaces": {
"cisa.gov": {
"cveID": "CVE-2021-33766",
"dateAdded": "2022-01-18",
"dueDate": "2022-02-01",
"product": "Exchange Server",
"requiredAction": "Apply updates per vendor instructions.",
"shortDescription": "Microsoft Exchange Server contains an information disclosure vulnerability which can allow an unauthenticated attacker to steal email traffic from target.",
"vendorProject": "Microsoft",
"vulnerabilityName": "Microsoft Exchange Server Information Disclosure"
},
"cve.org": {
"CVE_data_meta": {
"ASSIGNER": "secure@microsoft.com",
"ID": "CVE-2021-33766",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "Microsoft Exchange Server 2019 Cumulative Update 9",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_name": "15.02.0",
"version_value": "15.02.0858.010"
}
]
}
},
{
"product_name": "Microsoft Exchange Server 2016 Cumulative Update 20",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_name": "15.01.0",
"version_value": "15.01.2242.008"
}
]
}
},
{
"product_name": "Microsoft Exchange Server 2013 Cumulative Update 23",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_name": "15.00.0",
"version_value": "15.00.1497.015"
}
]
}
},
{
"product_name": "Microsoft Exchange Server 2016 Cumulative Update 19",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_name": "15.01.0",
"version_value": "15.01.2176.012"
}
]
}
},
{
"product_name": "Microsoft Exchange Server 2019 Cumulative Update 8",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_name": "15.02.0",
"version_value": "15.02.0792.013"
}
]
}
}
]
},
"vendor_name": "Microsoft"
}
]
}
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "Microsoft Exchange Server Information Disclosure Vulnerability"
}
]
},
"impact": {
"cvss": [
{
"baseScore": 7.3,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C",
"version": "3.1"
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "Information Disclosure"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33766",
"refsource": "MISC",
"url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33766"
},
{
"name": "https://www.zerodayinitiative.com/advisories/ZDI-21-798/",
"refsource": "MISC",
"url": "https://www.zerodayinitiative.com/advisories/ZDI-21-798/"
}
]
}
},
"nvd.nist.gov": {
"cve": {
"cisaActionDue": "2022-02-01",
"cisaExploitAdd": "2022-01-18",
"cisaRequiredAction": "Apply updates per vendor instructions.",
"cisaVulnerabilityName": "Microsoft Exchange Server Information Disclosure",
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_23:*:*:*:*:*:*",
"matchCriteriaId": "DA166F2A-D83B-4D50-AD0B-668D813E0585",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_19:*:*:*:*:*:*",
"matchCriteriaId": "28FCA0E8-7D27-4746-9731-91B834CA3E64",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_20:*:*:*:*:*:*",
"matchCriteriaId": "19C1EE0C-B8DD-4B91-BE4B-1C42D72FB718",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_8:*:*:*:*:*:*",
"matchCriteriaId": "44ECF39A-1DE1-4870-A494-06A53494338D",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_9:*:*:*:*:*:*",
"matchCriteriaId": "71CDF29B-116B-4DE2-AFD0-B62477FF0AEB",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Microsoft Exchange Server Information Disclosure Vulnerability"
},
{
"lang": "es",
"value": "Una vulnerabilidad de Divulgaci\u00f3n de Informaci\u00f3n de Microsoft Exchange"
}
],
"id": "CVE-2021-33766",
"lastModified": "2023-12-28T23:15:20.547",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "NONE",
"baseScore": 5.0,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
"version": "2.0"
},
"exploitabilityScore": 10.0,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "LOW",
"baseScore": 7.3,
"baseSeverity": "HIGH",
"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:L",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 3.4,
"source": "secure@microsoft.com",
"type": "Primary"
},
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 3.6,
"source": "nvd@nist.gov",
"type": "Secondary"
}
]
},
"published": "2021-07-14T18:15:10.380",
"references": [
{
"source": "secure@microsoft.com",
"tags": [
"Patch",
"Vendor Advisory"
],
"url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33766"
},
{
"source": "secure@microsoft.com",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"url": "https://www.zerodayinitiative.com/advisories/ZDI-21-798/"
}
],
"sourceIdentifier": "secure@microsoft.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-287"
}
],
"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.