CVE-2021-43217
Vulnerability from cvelistv5
Published
2021-12-15 14:15
Modified
2024-08-04 03:47
Severity ?
EPSS score ?
Summary
Windows Encrypting File System (EFS) Remote Code Execution Vulnerability
References
| ▼ | URL | Tags | |
|---|---|---|---|
| secure@microsoft.com | https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-43217 | Patch, Vendor Advisory |
Impacted products
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"meta": {
"nvd": "{\"cve\":{\"id\":\"CVE-2021-43217\",\"sourceIdentifier\":\"secure@microsoft.com\",\"published\":\"2021-12-15T15:15:09.490\",\"lastModified\":\"2022-07-12T17:42:04.277\",\"vulnStatus\":\"Analyzed\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"Windows Encrypting File System (EFS) Remote Code Execution Vulnerability\"},{\"lang\":\"es\",\"value\":\"Una vulnerabilidad de Ejecuci\u00f3n de C\u00f3digo Remota en Windows Encrypting File System (EFS)\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"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: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},{\"source\":\"secure@microsoft.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\",\"baseScore\":8.1,\"baseSeverity\":\"HIGH\"},\"exploitabilityScore\":2.2,\"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\":\"NVD-CWE-noinfo\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"21540673-614A-4D40-8BD7-3F07723803B0\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_10:20h2:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"9E2C378B-1507-4C81-82F6-9F599616845A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_10:21h1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"FAE4278F-71A7-43E9-8F79-1CBFAE71D730\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"E01A4CCA-4C43-46E0-90E6-3E4DBFBACD64\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"6B8F3DD2-A145-4AF1-8545-CC42892DA3D1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"E9273B95-20ED-4547-B0A8-95AD15B30372\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_10:2004:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"AAE74AF3-C559-4645-A6C0-25C3D647AAC8\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_11:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"5200AF17-0458-4315-A9D6-06C8DF67C05B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:*:*\",\"matchCriteriaId\":\"C2B1C231-DE19-4B8F-A4AA-5B3A65276E46\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"E93068DB-549B-45AB-8E5C-00EB5D8B5CF8\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"C6CE5198-C498-4672-AF4C-77AB4BE06C5C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_server:20h2:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"1EAF6DBA-6E3A-4854-BFBF-B5DC36CE5929\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_server:2022:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"BE257836-4F4D-4352-8293-B9CAD34F8794\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:*\",\"matchCriteriaId\":\"5F422A8C-2C4E-42C8-B420-E0728037E15C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:*\",\"matchCriteriaId\":\"AF07A81D-12E5-4B1D-BFF9-C8D08C32FF4F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"A7DF96F8-BA6A-4780-9CA3-F719B3F81074\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"DB18C4CE-5917-401E-ACF7-2747084FD36E\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"041FF8BA-0B12-4A1F-B4BF-9C4F33B7C1E7\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_server_2016:2004:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"0B60D940-80C7-49F0-8F4E-3F99AC15FA82\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"DB79EE26-FC32-417D-A49C-A1A63165A968\"}]}]}],\"references\":[{\"url\":\"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-43217\",\"source\":\"secure@microsoft.com\",\"tags\":[\"Patch\",\"Vendor Advisory\"]}]}}"
}
}
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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.