CVE-2021-26854
Vulnerability from cvelistv5
Published
2021-03-02 23:55
Modified
2024-08-03 20:33
Severity ?
EPSS score ?
11.06%
(0.92816)
Summary
Microsoft Exchange Server Remote Code Execution Vulnerability
References
Impacted products
Vendor | Product | Version | ||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
▼ | Microsoft | Microsoft Exchange Server 2016 Cumulative Update 19 |
Version: 15.01.0 < publication cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_19:*:*:*:*:*:* |
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{ containers: { adp: [ { providerMetadata: { dateUpdated: "2024-08-03T20:33:41.063Z", 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-2021-26854", }, ], 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: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_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", }, ], }, ], datePublic: "2021-03-02T08:00:00+00:00", descriptions: [ { lang: "en-US", value: "Microsoft Exchange Server Remote Code Execution Vulnerability", }, ], metrics: [ { cvssV3_1: { baseScore: 6.6, baseSeverity: "MEDIUM", vectorString: "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/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: "2023-12-29T20:08:56.162Z", 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-2021-26854", }, ], title: "Microsoft Exchange Server Remote Code Execution Vulnerability", }, }, cveMetadata: { assignerOrgId: "f38d906d-7342-40ea-92c1-6c4a2c6478c8", assignerShortName: "microsoft", cveId: "CVE-2021-26854", datePublished: "2021-03-02T23:55:25", dateReserved: "2021-02-08T00:00:00", dateUpdated: "2024-08-03T20:33:41.063Z", state: "PUBLISHED", }, dataType: "CVE_RECORD", dataVersion: "5.1", "vulnerability-lookup:meta": { nvd: "{\"cve\":{\"id\":\"CVE-2021-26854\",\"sourceIdentifier\":\"secure@microsoft.com\",\"published\":\"2021-03-03T00:15:12.040\",\"lastModified\":\"2024-11-21T05:56:53.857\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Microsoft Exchange Server Remote Code Execution Vulnerability\"},{\"lang\":\"es\",\"value\":\"Una Vulnerabilidad de Ejecución de código remota de Microsoft Exchange Server. Este ID de CVE es diferente de CVE-2021-26412, CVE-2021-26855, CVE-2021-26857, CVE-2021-26858, CVE-2021-27065, CVE-2021-27078\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"secure@microsoft.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":6.6,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"HIGH\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":0.7,\"impactScore\":5.9},{\"source\":\"nvd@nist.gov\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":7.2,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"HIGH\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.2,\"impactScore\":5.9}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:S/C:P/I:P/A:P\",\"baseScore\":6.5,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"SINGLE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":8.0,\"impactScore\":6.4,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"NVD-CWE-noinfo\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"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_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: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\":\"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26854\",\"source\":\"secure@microsoft.com\",\"tags\":[\"Patch\",\"Vendor Advisory\"]},{\"url\":\"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26854\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\",\"Vendor Advisory\"]}]}}", }, }
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Sightings
Author | Source | Type | Date |
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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.