gsd-2021-42321
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
Microsoft Exchange Server Remote Code Execution Vulnerability
Aliases
Aliases
{ "GSD": { "alias": "CVE-2021-42321", "description": "Microsoft Exchange Server Remote Code Execution Vulnerability", "id": "GSD-2021-42321", "references": [ "https://packetstormsecurity.com/files/cve/CVE-2021-42321" ] }, "gsd": { "metadata": { "exploitCode": "unknown", "remediation": "unknown", "reportConfidence": "confirmed", "type": "vulnerability" }, "osvSchema": { "aliases": [ "CVE-2021-42321" ], "details": "Microsoft Exchange Server Remote Code Execution Vulnerability", "id": "GSD-2021-42321", "modified": "2023-12-13T01:23:06.556780Z", "schema_version": "1.4.0" } }, "namespaces": { "cisa.gov": { "cveID": "CVE-2021-42321", "dateAdded": "2021-11-17", "dueDate": "2021-12-01", "product": "Exchange", "requiredAction": "Apply updates per vendor instructions.", "shortDescription": "An authenticated attacker could leverage improper validation in cmdlet arguments within Microsoft Exchange and perform remote code execution.", "vendorProject": "Microsoft", "vulnerabilityName": "Microsoft Exchange Server Remote Code Execution Vulnerability" }, "cve.org": { "CVE_data_meta": { "ASSIGNER": "secure@microsoft.com", "ID": "CVE-2021-42321", "STATE": "PUBLIC" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "Microsoft Exchange Server 2016 Cumulative Update 21", "version": { "version_data": [ { "version_affected": "\u003c", "version_name": "15.01.0", "version_value": "15.01.2308.020" } ] } }, { "product_name": "Microsoft Exchange Server 2019 Cumulative Update 10", "version": { "version_data": [ { "version_affected": "\u003c", "version_name": "15.02.0", "version_value": "15.02.0792.019" } ] } }, { "product_name": "Microsoft Exchange Server 2016 Cumulative Update 22", "version": { "version_data": [ { "version_affected": "\u003c", "version_name": "15.0.0", "version_value": "15.01.2375.017" } ] } }, { "product_name": "Microsoft Exchange Server 2019 Cumulative Update 11", "version": { "version_data": [ { "version_affected": "\u003c", "version_name": "15.02.0", "version_value": "15.02.0986.014" } ] } } ] }, "vendor_name": "Microsoft" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "Microsoft Exchange Server Remote Code Execution Vulnerability" } ] }, "impact": { "cvss": [ { "baseScore": 8.8, "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C", "version": "3.1" } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "Remote Code Execution" } ] } ] }, "references": { "reference_data": [ { "name": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-42321", "refsource": "MISC", "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-42321" }, { "name": "http://packetstormsecurity.com/files/166153/Microsoft-Exchange-Server-Remote-Code-Execution.html", "refsource": "MISC", "url": "http://packetstormsecurity.com/files/166153/Microsoft-Exchange-Server-Remote-Code-Execution.html" }, { "name": "http://packetstormsecurity.com/files/168131/Microsoft-Exchange-Server-ChainedSerializationBinder-Remote-Code-Execution.html", "refsource": "MISC", "url": "http://packetstormsecurity.com/files/168131/Microsoft-Exchange-Server-ChainedSerializationBinder-Remote-Code-Execution.html" } ] } }, "nvd.nist.gov": { "cve": { "cisaActionDue": "2021-12-01", "cisaExploitAdd": "2021-11-17", "cisaRequiredAction": "Apply updates per vendor instructions.", "cisaVulnerabilityName": "Microsoft Exchange Server Remote Code Execution Vulnerability", "configurations": [ { "nodes": [ { "cpeMatch": [ { "criteria": "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_21:*:*:*:*:*:*", "matchCriteriaId": "3BE427A4-B0C2-4064-8234-29426325C348", "vulnerable": true }, { "criteria": "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_22:*:*:*:*:*:*", "matchCriteriaId": "449CE85B-E599-44D3-A7C1-5133F6A55E86", "vulnerable": true }, { "criteria": "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_10:*:*:*:*:*:*", "matchCriteriaId": "B4185347-EEDD-4239-9AB3-410E2EC89D2A", "vulnerable": true }, { "criteria": "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_11:*:*:*:*:*:*", "matchCriteriaId": "435343A4-BF10-461A-ABF2-D511A5FBDA75", "vulnerable": true } ], "negate": false, "operator": "OR" } ] } ], "descriptions": [ { "lang": "en", "value": "Microsoft Exchange Server Remote Code Execution Vulnerability" }, { "lang": "es", "value": "Una vulnerabilidad de Ejecuci\u00f3n de C\u00f3digo Remota en Microsoft Exchange Server" } ], "id": "CVE-2021-42321", "lastModified": "2023-12-28T16:16:00.120", "metrics": { "cvssMetricV2": [ { "acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": { "accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 6.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P", "version": "2.0" }, "exploitabilityScore": 8.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false } ], "cvssMetricV31": [ { "cvssData": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1" }, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "secure@microsoft.com", "type": "Primary" }, { "cvssData": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1" }, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Secondary" } ] }, "published": "2021-11-10T01:19:50.047", "references": [ { "source": "secure@microsoft.com", "tags": [ "Exploit", "Third Party Advisory", "VDB Entry" ], "url": "http://packetstormsecurity.com/files/166153/Microsoft-Exchange-Server-Remote-Code-Execution.html" }, { "source": "secure@microsoft.com", "tags": [ "Exploit", "Third Party Advisory", "VDB Entry" ], "url": "http://packetstormsecurity.com/files/168131/Microsoft-Exchange-Server-ChainedSerializationBinder-Remote-Code-Execution.html" }, { "source": "secure@microsoft.com", "tags": [ "Patch", "Vendor Advisory" ], "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-42321" } ], "sourceIdentifier": "secure@microsoft.com", "vulnStatus": "Modified", "weaknesses": [ { "description": [ { "lang": "en", "value": "NVD-CWE-Other" } ], "source": "nvd@nist.gov", "type": "Primary" } ] } } } }
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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.