CVE-2021-36955
Vulnerability from cvelistv5
Published
2021-09-15 11:23
Modified
2024-08-04 01:09
Severity ?
EPSS score ?
Summary
Windows Common Log File System Driver Elevation of Privilege Vulnerability
References
| ▼ | URL | Tags | |
|---|---|---|---|
| secure@microsoft.com | https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-36955 | Patch, Vendor Advisory |
Impacted products
CISA Known exploited vulnerability
Data from the Known Exploited Vulnerabilities Catalog
Date added: 2021-11-03
Due date: 2021-11-17
Required action: Apply updates per vendor instructions.
Used in ransomware: Known
Notes: https://nvd.nist.gov/vuln/detail/CVE-2021-36955
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"datePublished": "2021-09-15T11:23:32",
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"dateAdded": "2021-11-03",
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"knownRansomwareCampaignUse": "Known",
"notes": "https://nvd.nist.gov/vuln/detail/CVE-2021-36955",
"product": "Windows",
"requiredAction": "Apply updates per vendor instructions.",
"shortDescription": "Microsoft Windows Common Log File System (CLFS) driver contains an unspecified vulnerability that allows for privilege escalation.",
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"nvd": "{\"cve\":{\"id\":\"CVE-2021-36955\",\"sourceIdentifier\":\"secure@microsoft.com\",\"published\":\"2021-09-15T12:15:13.197\",\"lastModified\":\"2024-07-29T19:42:48.337\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"cisaExploitAdd\":\"2021-11-03\",\"cisaActionDue\":\"2021-11-17\",\"cisaRequiredAction\":\"Apply updates per vendor instructions.\",\"cisaVulnerabilityName\":\"Microsoft Windows Common Log File System (CLFS) Driver Privilege Escalation Vulnerability\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"Windows Common Log File System Driver Elevation of Privilege Vulnerability\"},{\"lang\":\"es\",\"value\":\"Una Vulnerabilidad de Elevaci\u00f3n de Privilegios de Windows Common Log File System Driver. Este CVE ID es diferente de CVE-2021-36963, CVE-2021-38633\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"secure@microsoft.com\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\",\"baseScore\":7.8,\"baseSeverity\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":5.9},{\"source\":\"nvd@nist.gov\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\",\"baseScore\":7.8,\"baseSeverity\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":5.9}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:L/AC:L/Au:N/C:P/I:P/A:P\",\"accessVector\":\"LOCAL\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"PARTIAL\",\"baseScore\":4.6},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":3.9,\"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_1507:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"10.0.10240.19060\",\"matchCriteriaId\":\"C1658517-428C-4FAF-8EEE-3FD68557AAD1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"10.0.14393.4651\",\"matchCriteriaId\":\"4BF6C51E-7240-457D-A36C-5494AEE41AB1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"10.0.17763.2183\",\"matchCriteriaId\":\"1673EF18-FB21-450C-B75D-89279B6779FA\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_10_1909:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"10.0.18363.1801\",\"matchCriteriaId\":\"F3F77B0B-2A62-4E21-B042-BB86ABA68BE3\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_10_2004:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"10.0.19041.1237\",\"matchCriteriaId\":\"F4E719E7-7D50-49F6-ABD4-77B1F7ECC68C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_10_20h2:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"10.0.19042.1237\",\"matchCriteriaId\":\"71B3072F-0DB3-4C23-AD96-62BF71345E61\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_10_21h1:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"10.0.19043.1237\",\"matchCriteriaId\":\"CB038EC1-8E36-48C1-8E2E-3B8B6585D25E\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:-:*:-:*\",\"matchCriteriaId\":\"DCF7181C-41D5-46E6-8812-10A51CB208A6\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:-:*:-:*\",\"matchCriteriaId\":\"48032169-A0ED-4D24-85BE-D1FE1EEF9460\"},{\"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_2004:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"10.0.19041.1237\",\"matchCriteriaId\":\"046119DC-43BF-4077-9721-12E2EFD7F492\"},{\"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\":\"5F2558DF-2D1F-46BA-ABF1-08522D33268E\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"10.0.14393.4651\",\"matchCriteriaId\":\"EAF9D18C-B459-48F2-8451-20E7B04EAD36\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"10.0.17763.2183\",\"matchCriteriaId\":\"8867C828-131C-466E-9A35-80184659D540\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"10.0.2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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.