cve-2021-26855
Vulnerability from cvelistv5
Published
2021-03-02 23:55
Modified
2024-08-03 20:33
Severity ?
EPSS score ?
Summary
Microsoft Exchange Server Remote Code Execution Vulnerability
References
| ▼ | URL | Tags | |
|---|---|---|---|
| secure@microsoft.com | http://packetstormsecurity.com/files/161846/Microsoft-Exchange-2019-SSRF-Arbitrary-File-Write.html | Exploit, Third Party Advisory, VDB Entry | |
| secure@microsoft.com | http://packetstormsecurity.com/files/161938/Microsoft-Exchange-ProxyLogon-Remote-Code-Execution.html | Exploit, Third Party Advisory, VDB Entry | |
| secure@microsoft.com | http://packetstormsecurity.com/files/162610/Microsoft-Exchange-2019-Unauthenticated-Email-Download.html | Exploit, Third Party Advisory, VDB Entry | |
| secure@microsoft.com | http://packetstormsecurity.com/files/162736/Microsoft-Exchange-ProxyLogon-Collector.html | Exploit, Third Party Advisory, VDB Entry | |
| secure@microsoft.com | https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26855 | Patch, Vendor Advisory |
Impacted products
CISA Known exploited vulnerability
Data from the Known Exploited Vulnerabilities Catalog
Date added: 2021-11-03
Due date: 2021-04-16
Required action: Apply updates per vendor instructions.
Used in ransomware: Known
Notes: Reference CISA's ED 21-02 (https://www.cisa.gov/news-events/directives/ed-21-02-mitigate-microsoft-exchange-premises-product-vulnerabilities) for further guidance and requirements. Note: The due date for addressing this vulnerability aligns with the requirements outlined in ED 21-02. https://nvd.nist.gov/vuln/detail/CVE-2021-26855
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-03T20:33:40.999Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26855"
},
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "http://packetstormsecurity.com/files/161846/Microsoft-Exchange-2019-SSRF-Arbitrary-File-Write.html"
},
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "http://packetstormsecurity.com/files/161938/Microsoft-Exchange-ProxyLogon-Remote-Code-Execution.html"
},
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "http://packetstormsecurity.com/files/162610/Microsoft-Exchange-2019-Unauthenticated-Email-Download.html"
},
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "http://packetstormsecurity.com/files/162736/Microsoft-Exchange-ProxyLogon-Collector.html"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"cpes": [
"cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_19:*:*:*:*:*:*"
],
"platforms": [
"x64-based Systems"
],
"product": "Microsoft Exchange Server 2016 Cumulative Update 19",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "publication",
"status": "affected",
"version": "15.01.0",
"versionType": "custom"
}
]
},
{
"cpes": [
"cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_8:*:*:*:*:*:*"
],
"platforms": [
"x64-based Systems"
],
"product": "Microsoft Exchange Server 2019 Cumulative Update 8",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "publication",
"status": "affected",
"version": "15.02.0",
"versionType": "custom"
}
]
},
{
"cpes": [
"cpe:2.3:a:microsoft:exchange_server:2019:*:*:*:*:*:*:*"
],
"platforms": [
"x64-based Systems"
],
"product": "Microsoft Exchange Server 2019",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "publication",
"status": "affected",
"version": "15.02.0",
"versionType": "custom"
}
]
},
{
"cpes": [
"cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_22:*:*:*:*:*:*"
],
"platforms": [
"x64-based Systems"
],
"product": "Microsoft Exchange Server 2013 Cumulative Update 22",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "publication",
"status": "affected",
"version": "15.00.0",
"versionType": "custom"
}
]
},
{
"cpes": [
"cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_2:*:*:*:*:*:*"
],
"platforms": [
"x64-based Systems"
],
"product": "Microsoft Exchange Server 2019 Cumulative Update 2",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "publication",
"status": "affected",
"version": "15.02.0",
"versionType": "custom"
}
]
},
{
"cpes": [
"cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_13:*:*:*:*:*:*"
],
"platforms": [
"x64-based Systems"
],
"product": "Microsoft Exchange Server 2016 Cumulative Update 13",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "publication",
"status": "affected",
"version": "15.01.0",
"versionType": "custom"
}
]
},
{
"cpes": [
"cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_23:*:*:*:*:*:*"
],
"platforms": [
"x64-based Systems"
],
"product": "Microsoft Exchange Server 2013 Cumulative Update 23",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "publication",
"status": "affected",
"version": "15.00.0",
"versionType": "custom"
}
]
},
{
"cpes": [
"cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_3:*:*:*:*:*:*"
],
"platforms": [
"x64-based Systems"
],
"product": "Microsoft Exchange Server 2019 Cumulative Update 3",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "publication",
"status": "affected",
"version": "15.02.0",
"versionType": "custom"
}
]
},
{
"cpes": [
"cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_14:*:*:*:*:*:*"
],
"platforms": [
"x64-based Systems"
],
"product": "Microsoft Exchange Server 2016 Cumulative Update 14",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "publication",
"status": "affected",
"version": "15.01.0",
"versionType": "custom"
}
]
},
{
"cpes": [
"cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_4:*:*:*:*:*:*"
],
"platforms": [
"x64-based Systems"
],
"product": "Microsoft Exchange Server 2019 Cumulative Update 4",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "publication",
"status": "affected",
"version": "15.02.0",
"versionType": "custom"
}
]
},
{
"cpes": [
"cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_15:*:*:*:*:*:*"
],
"platforms": [
"x64-based Systems"
],
"product": "Microsoft Exchange Server 2016 Cumulative Update 15",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "publication",
"status": "affected",
"version": "15.01.0",
"versionType": "custom"
}
]
},
{
"cpes": [
"cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_5:*:*:*:*:*:*"
],
"platforms": [
"x64-based Systems"
],
"product": "Microsoft Exchange Server 2019 Cumulative Update 5",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "publication",
"status": "affected",
"version": "15.02.0",
"versionType": "custom"
}
]
},
{
"cpes": [
"cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_6:*:*:*:*:*:*"
],
"platforms": [
"x64-based Systems"
],
"product": "Microsoft Exchange Server 2019 Cumulative Update 6",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "publication",
"status": "affected",
"version": "15.02.0",
"versionType": "custom"
}
]
},
{
"cpes": [
"cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_16:*:*:*:*:*:*"
],
"platforms": [
"x64-based Systems"
],
"product": "Microsoft Exchange Server 2016 Cumulative Update 16",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "publication",
"status": "affected",
"version": "15.01.0",
"versionType": "custom"
}
]
},
{
"cpes": [
"cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_17:*:*:*:*:*:*"
],
"platforms": [
"x64-based Systems"
],
"product": "Microsoft Exchange Server 2016 Cumulative Update 17",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "publication",
"status": "affected",
"version": "15.01.0",
"versionType": "custom"
}
]
},
{
"cpes": [
"cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_7:*:*:*:*:*:*"
],
"platforms": [
"x64-based Systems"
],
"product": "Microsoft Exchange Server 2019 Cumulative Update 7",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "publication",
"status": "affected",
"version": "15.02.0",
"versionType": "custom"
}
]
},
{
"cpes": [
"cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_18:*:*:*:*:*:*"
],
"platforms": [
"x64-based Systems"
],
"product": "Microsoft Exchange Server 2016 Cumulative Update 18",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "publication",
"status": "affected",
"version": "15.01.0",
"versionType": "custom"
}
]
},
{
"cpes": [
"cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_21:*:*:*:*:*:*"
],
"platforms": [
"x64-based Systems"
],
"product": "Microsoft Exchange Server 2013 Cumulative Update 21",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "publication",
"status": "affected",
"version": "15.00.0",
"versionType": "custom"
}
]
},
{
"cpes": [
"cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_12:*:*:*:*:*:*"
],
"platforms": [
"x64-based Systems"
],
"product": "Microsoft Exchange Server 2016 Cumulative Update 12",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "publication",
"status": "affected",
"version": "15.01.0",
"versionType": "custom"
}
]
},
{
"cpes": [
"cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_8:*:*:*:*:*:*"
],
"platforms": [
"x64-based Systems"
],
"product": "Microsoft Exchange Server 2016 Cumulative Update 8",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "publication",
"status": "affected",
"version": "15.01.0",
"versionType": "custom"
}
]
},
{
"cpes": [
"cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_1:*:*:*:*:*:*"
],
"platforms": [
"x64-based Systems"
],
"product": "Microsoft Exchange Server 2019 Cumulative Update 1",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "publication",
"status": "affected",
"version": "15.02.0",
"versionType": "custom"
}
]
},
{
"cpes": [
"cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_9:*:*:*:*:*:*"
],
"platforms": [
"x64-based Systems"
],
"product": "Microsoft Exchange Server 2016 Cumulative Update 9",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "publication",
"status": "affected",
"version": "15.01.0",
"versionType": "custom"
}
]
},
{
"cpes": [
"cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_10:*:*:*:*:*:*"
],
"platforms": [
"x64-based Systems"
],
"product": "Microsoft Exchange Server 2016 Cumulative Update 10",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "publication",
"status": "affected",
"version": "15.01.0",
"versionType": "custom"
}
]
},
{
"cpes": [
"cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_11:*:*:*:*:*:*"
],
"platforms": [
"x64-based Systems"
],
"product": "Microsoft Exchange Server 2016 Cumulative Update 11",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "publication",
"status": "affected",
"version": "15.01.0",
"versionType": "custom"
}
]
}
],
"datePublic": "2021-03-02T08:00:00+00:00",
"descriptions": [
{
"lang": "en-US",
"value": "Microsoft Exchange Server Remote Code Execution Vulnerability"
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 9.1,
"baseSeverity": "CRITICAL",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N/E:F/RL:O/RC:C",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en-US",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "Remote Code Execution",
"lang": "en-US",
"type": "Impact"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2023-12-29T20:08:56.682Z",
"orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
"shortName": "microsoft"
},
"references": [
{
"tags": [
"x_refsource_MISC"
],
"url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26855"
},
{
"tags": [
"x_refsource_MISC"
],
"url": "http://packetstormsecurity.com/files/161846/Microsoft-Exchange-2019-SSRF-Arbitrary-File-Write.html"
},
{
"tags": [
"x_refsource_MISC"
],
"url": "http://packetstormsecurity.com/files/161938/Microsoft-Exchange-ProxyLogon-Remote-Code-Execution.html"
},
{
"tags": [
"x_refsource_MISC"
],
"url": "http://packetstormsecurity.com/files/162610/Microsoft-Exchange-2019-Unauthenticated-Email-Download.html"
},
{
"tags": [
"x_refsource_MISC"
],
"url": "http://packetstormsecurity.com/files/162736/Microsoft-Exchange-ProxyLogon-Collector.html"
}
],
"title": "Microsoft Exchange Server Remote Code Execution Vulnerability"
}
},
"cveMetadata": {
"assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
"assignerShortName": "microsoft",
"cveId": "CVE-2021-26855",
"datePublished": "2021-03-02T23:55:26",
"dateReserved": "2021-02-08T00:00:00",
"dateUpdated": "2024-08-03T20:33:40.999Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"meta": {
"cisa_known_exploited": {
"cveID": "CVE-2021-26855",
"cwes": "[\"CWE-918\"]",
"dateAdded": "2021-11-03",
"dueDate": "2021-04-16",
"knownRansomwareCampaignUse": "Known",
"notes": "Reference CISA\u0027s ED 21-02 (https://www.cisa.gov/news-events/directives/ed-21-02-mitigate-microsoft-exchange-premises-product-vulnerabilities) for further guidance and requirements. Note: The due date for addressing this vulnerability aligns with the requirements outlined in ED 21-02. https://nvd.nist.gov/vuln/detail/CVE-2021-26855",
"product": "Exchange Server",
"requiredAction": "Apply updates per vendor instructions.",
"shortDescription": "Microsoft Exchange Server contains an unspecified vulnerability that allows for remote code execution. This vulnerability is part of the ProxyLogon exploit chain.",
"vendorProject": "Microsoft",
"vulnerabilityName": "Microsoft Exchange Server Remote Code Execution Vulnerability"
},
"nvd": "{\"cve\":{\"id\":\"CVE-2021-26855\",\"sourceIdentifier\":\"secure@microsoft.com\",\"published\":\"2021-03-03T00:15:12.103\",\"lastModified\":\"2024-02-15T20:18:22.123\",\"vulnStatus\":\"Analyzed\",\"cisaExploitAdd\":\"2021-11-03\",\"cisaActionDue\":\"2021-04-16\",\"cisaRequiredAction\":\"Apply updates per vendor instructions.\",\"cisaVulnerabilityName\":\"Microsoft Exchange Server Remote Code Execution Vulnerability\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"Microsoft Exchange Server Remote Code Execution Vulnerability\"},{\"lang\":\"es\",\"value\":\"Una Vulnerabilidad de Ejecuci\u00f3n de c\u00f3digo remota de Microsoft Exchange Server. Este ID de CVE es diferente de CVE-2021-26412, CVE-2021-26854, CVE-2021-26857, CVE-2021-26858, CVE-2021-27065, CVE-2021-27078\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"secure@microsoft.com\",\"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:N\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"NONE\",\"baseScore\":9.1,\"baseSeverity\":\"CRITICAL\"},\"exploitabilityScore\":3.9,\"impactScore\":5.2},{\"source\":\"nvd@nist.gov\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\",\"baseScore\":9.8,\"baseSeverity\":\"CRITICAL\"},\"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\",\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"PARTIAL\",\"baseScore\":7.5},\"baseSeverity\":\"HIGH\",\"exploitabilityScore\":10.0,\"impactScore\":6.4,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-918\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_21:*:*:*:*:*:*\",\"matchCriteriaId\":\"B560F8FD-068E-4A16-A37F-A62DCE88FCF2\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_22:*:*:*:*:*:*\",\"matchCriteriaId\":\"751FD35F-2ECD-4B75-9589-988CC6AD3058\"},{\"vulnerable\":true,\"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_10:*:*:*:*:*:*\",\"matchCriteriaId\":\"63E362CB-CF75-4B7E-A4B1-D6D84AFCBB68\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_11:*:*:*:*:*:*\",\"matchCriteriaId\":\"9BE04790-85A2-4078-88CE-1787BC5172E7\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_12:*:*:*:*:*:*\",\"matchCriteriaId\":\"CCF101BE-27FD-4E2D-A694-C606BD3D1ED7\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_13:*:*:*:*:*:*\",\"matchCriteriaId\":\"4DF5BDB5-205D-4B64-A49A-0152AFCF4A13\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_14:*:*:*:*:*:*\",\"matchCriteriaId\":\"55284CF7-0D04-4216-83FE-4B1F9CA94207\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_15:*:*:*:*:*:*\",\"matchCriteriaId\":\"CA2CE223-AA49-49E6-AC32-59270EFF55AD\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_16:*:*:*:*:*:*\",\"matchCriteriaId\":\"4830D6A9-AF74-480C-8F69-8648CD619980\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_17:*:*:*:*:*:*\",\"matchCriteriaId\":\"079E1E3F-FF25-4B0D-AC98-191D6455A014\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_18:*:*:*:*:*:*\",\"matchCriteriaId\":\"29805EC7-6403-44B9-91EC-109C087E98EB\"},{\"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_8:*:*:*:*:*:*\",\"matchCriteriaId\":\"075E907F-AF2F-4C31-86C7-51972BE412A1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_9:*:*:*:*:*:*\",\"matchCriteriaId\":\"69AF19DC-3D65-49A8-A85F-511085CDF27B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:microsoft:exchange_server:2019:-:*:*:*:*:*:*\",\"matchCriteriaId\":\"40D8A6DB-9225-4A3F-AD76-192F6CCCF002\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_1:*:*:*:*:*:*\",\"matchCriteriaId\":\"051DE6C4-7456-4C42-BC51-253208AADB4E\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_2:*:*:*:*:*:*\",\"matchCriteriaId\":\"EE320413-D2C9-4B28-89BF-361B44A3F0FF\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_3:*:*:*:*:*:*\",\"matchCriteriaId\":\"104F96DC-E280-4E0A-8586-B043B55888C2\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_4:*:*:*:*:*:*\",\"matchCriteriaId\":\"73B3B3FE-7E85-4B86-A983-2C410FFEF4B8\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_5:*:*:*:*:*:*\",\"matchCriteriaId\":\"8A9FB275-7F17-48B2-B528-BE89309D2AF5\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_6:*:*:*:*:*:*\",\"matchCriteriaId\":\"D4AB3C25-CEA8-4D66-AEE4-953C8B17911A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_7:*:*:*:*:*:*\",\"matchCriteriaId\":\"36CE5C6D-9A04-41F5-AE7C-265779833649\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_8:*:*:*:*:*:*\",\"matchCriteriaId\":\"44ECF39A-1DE1-4870-A494-06A53494338D\"}]}]}],\"references\":[{\"url\":\"http://packetstormsecurity.com/files/161846/Microsoft-Exchange-2019-SSRF-Arbitrary-File-Write.html\",\"source\":\"secure@microsoft.com\",\"tags\":[\"Exploit\",\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"http://packetstormsecurity.com/files/161938/Microsoft-Exchange-ProxyLogon-Remote-Code-Execution.html\",\"source\":\"secure@microsoft.com\",\"tags\":[\"Exploit\",\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"http://packetstormsecurity.com/files/162610/Microsoft-Exchange-2019-Unauthenticated-Email-Download.html\",\"source\":\"secure@microsoft.com\",\"tags\":[\"Exploit\",\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"http://packetstormsecurity.com/files/162736/Microsoft-Exchange-ProxyLogon-Collector.html\",\"source\":\"secure@microsoft.com\",\"tags\":[\"Exploit\",\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26855\",\"source\":\"secure@microsoft.com\",\"tags\":[\"Patch\",\"Vendor Advisory\"]}]}}"
}
}
Loading...
Loading...
- 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.