CVE-2023-21771 (GCVE-0-2023-21771)
Vulnerability from cvelistv5 – Published: 2023-01-10 00:00 – Updated: 2025-04-12 03:55
VLAI
EPSS
VEX
Title
Windows Local Session Manager (LSM) Elevation of Privilege Vulnerability
Summary
Windows Local Session Manager (LSM) Elevation of Privilege Vulnerability
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2023-01-06 00:00 UTC
CWE
- CWE-591 - Sensitive Data Storage in Improperly Locked Memory
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://msrc.microsoft.com/update-guide/vulnerabi… | vendor-advisory |
Impacted products
6 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Microsoft | Windows Server 2022 |
Affected:
10.0.20348.0 , < 10.0.20348.1487
(custom)
|
guessed | |
| Microsoft | Windows 10 Version 20H2 |
Affected:
10.0.0 , < 10.0.19042.2486
(custom)
|
guessed | |
| Microsoft | Windows 11 version 21H2 |
Affected:
10.0.0 , < 10.0.22000.1455
(custom)
|
guessed | |
| Microsoft | Windows 10 Version 21H2 |
Affected:
10.0.19043.0 , < 10.0.19044.2486
(custom)
|
guessed | |
| Microsoft | Windows 11 version 22H2 |
Affected:
10.0.22621.0 , < 10.0.22621.1105
(custom)
|
guessed | |
| Microsoft | Windows 10 Version 22H2 |
Affected:
10.0.19045.0 , < 10.0.19045.2486
(custom)
|
guessed |
Date Public
2023-01-10 08:00
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2023-21771",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2023-01-06T00:00:00+00:00",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2025-04-12T03:55:16.305Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
},
{
"providerMetadata": {
"dateUpdated": "2024-08-02T09:51:50.261Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"name": "Windows Local Session Manager (LSM) Elevation of Privilege Vulnerability",
"tags": [
"vendor-advisory",
"x_transferred"
],
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21771"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"platforms": [
"x64-based Systems"
],
"product": "Windows Server 2022",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "10.0.20348.1487",
"status": "affected",
"version": "10.0.20348.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"ARM64-based Systems"
],
"product": "Windows 10 Version 20H2",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "10.0.19042.2486",
"status": "affected",
"version": "10.0.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"x64-based Systems",
"ARM64-based Systems"
],
"product": "Windows 11 version 21H2",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "10.0.22000.1455",
"status": "affected",
"version": "10.0.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"ARM64-based Systems",
"x64-based Systems"
],
"product": "Windows 10 Version 21H2",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "10.0.19044.2486",
"status": "affected",
"version": "10.0.19043.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"ARM64-based Systems",
"x64-based Systems"
],
"product": "Windows 11 version 22H2",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "10.0.22621.1105",
"status": "affected",
"version": "10.0.22621.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"x64-based Systems",
"ARM64-based Systems",
"32-bit Systems"
],
"product": "Windows 10 Version 22H2",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "10.0.19045.2486",
"status": "affected",
"version": "10.0.19045.0",
"versionType": "custom"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*",
"versionEndExcluding": "10.0.20348.1487",
"versionStartIncluding": "10.0.20348.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:microsoft:windows_10_20H2:*:*:*:*:*:*:x86:*",
"versionEndExcluding": "10.0.19042.2486",
"versionStartIncluding": "10.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:microsoft:windows_11_21H2:*:*:*:*:*:*:x64:*",
"versionEndExcluding": "10.0.22000.1455",
"versionStartIncluding": "10.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:microsoft:windows_10_21H2:*:*:*:*:*:*:x86:*",
"versionEndExcluding": "10.0.19044.2486",
"versionStartIncluding": "10.0.19043.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:microsoft:windows_11_22H2:*:*:*:*:*:*:arm64:*",
"versionEndExcluding": "10.0.22621.1105",
"versionStartIncluding": "10.0.22621.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:microsoft:windows_10_22H2:*:*:*:*:*:*:x64:*",
"versionEndExcluding": "10.0.19045.2486",
"versionStartIncluding": "10.0.19045.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"datePublic": "2023-01-10T08:00:00.000Z",
"descriptions": [
{
"lang": "en-US",
"value": "Windows Local Session Manager (LSM) Elevation of Privilege Vulnerability"
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 7,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/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": [
{
"cweId": "CWE-591",
"description": "CWE-591: Sensitive Data Storage in Improperly Locked Memory",
"lang": "en-US",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2025-01-01T00:36:09.969Z",
"orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
"shortName": "microsoft"
},
"references": [
{
"name": "Windows Local Session Manager (LSM) Elevation of Privilege Vulnerability",
"tags": [
"vendor-advisory"
],
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21771"
}
],
"title": "Windows Local Session Manager (LSM) Elevation of Privilege Vulnerability"
}
},
"cveMetadata": {
"assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
"assignerShortName": "microsoft",
"cveId": "CVE-2023-21771",
"datePublished": "2023-01-10T00:00:00.000Z",
"dateReserved": "2022-12-13T00:00:00.000Z",
"dateUpdated": "2025-04-12T03:55:16.305Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2023-21771",
"date": "2026-09-28",
"epss": "0.00397",
"percentile": "0.31324"
},
"fkie_nvd": {
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:microsoft:windows_10:20h2:*:*:*:*:*:*:*",
"matchCriteriaId": "9E2C378B-1507-4C81-82F6-9F599616845A",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:microsoft:windows_10:21h2:*:*:*:*:*:*:*",
"matchCriteriaId": "71E65CB9-6DC2-4A90-8C6A-103BEDC99823",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:microsoft:windows_10:22h2:*:*:*:*:*:*:*",
"matchCriteriaId": "9D5DE444-AEA8-4674-AC58-31FC1F12BB55",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:microsoft:windows_11:21h2:*:*:*:*:*:arm64:*",
"matchCriteriaId": "B4120497-0B6E-4704-99A5-D98EB8271C85",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:microsoft:windows_11:21h2:*:*:*:*:*:x64:*",
"matchCriteriaId": "D9C194F4-12C5-452D-913A-AAAF04598FEB",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:microsoft:windows_11:22h2:*:*:*:*:*:arm64:*",
"matchCriteriaId": "747ED159-1972-4310-AAD1-8E02AFB08826",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:microsoft:windows_11:22h2:*:*:*:*:*:x64:*",
"matchCriteriaId": "62B9100B-206D-4FD1-8D23-A355DCA37460",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:microsoft:windows_server_2022:-:*:*:*:*:*:*:*",
"matchCriteriaId": "821614DD-37DD-44E2-A8A4-FE8D23A33C3C",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Windows Local Session Manager (LSM) Elevation of Privilege Vulnerability"
},
{
"lang": "es",
"value": "Vulnerabilidad de elevaci\u00f3n de privilegios del Administrador de sesi\u00f3n local (LSM) de Windows"
}
],
"id": "CVE-2023-21771",
"lastModified": "2024-11-21T07:43:36.957",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "HIGH",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.0,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 1.0,
"impactScore": 5.9,
"source": "secure@microsoft.com",
"type": "Primary"
}
]
},
"published": "2023-01-10T22:15:19.427",
"references": [
{
"source": "secure@microsoft.com",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21771"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21771"
}
],
"sourceIdentifier": "secure@microsoft.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-591"
}
],
"source": "secure@microsoft.com",
"type": "Secondary"
},
{
"description": [
{
"lang": "en",
"value": "CWE-362"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"nvd": {
"cve": {
"affected": [
{
"affectedData": [
{
"platforms": [
"x64-based Systems"
],
"product": "Windows Server 2022",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "10.0.20348.1487",
"status": "affected",
"version": "10.0.20348.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"ARM64-based Systems"
],
"product": "Windows 10 Version 20H2",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "10.0.19042.2486",
"status": "affected",
"version": "10.0.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"x64-based Systems",
"ARM64-based Systems"
],
"product": "Windows 11 version 21H2",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "10.0.22000.1455",
"status": "affected",
"version": "10.0.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"ARM64-based Systems",
"x64-based Systems"
],
"product": "Windows 10 Version 21H2",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "10.0.19044.2486",
"status": "affected",
"version": "10.0.19043.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"ARM64-based Systems",
"x64-based Systems"
],
"product": "Windows 11 version 22H2",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "10.0.22621.1105",
"status": "affected",
"version": "10.0.22621.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"x64-based Systems",
"ARM64-based Systems",
"32-bit Systems"
],
"product": "Windows 10 Version 22H2",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "10.0.19045.2486",
"status": "affected",
"version": "10.0.19045.0",
"versionType": "custom"
}
]
}
],
"source": "secure@microsoft.com"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:microsoft:windows_10:20h2:*:*:*:*:*:*:*",
"matchCriteriaId": "9E2C378B-1507-4C81-82F6-9F599616845A",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:microsoft:windows_10:21h2:*:*:*:*:*:*:*",
"matchCriteriaId": "71E65CB9-6DC2-4A90-8C6A-103BEDC99823",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:microsoft:windows_10:22h2:*:*:*:*:*:*:*",
"matchCriteriaId": "9D5DE444-AEA8-4674-AC58-31FC1F12BB55",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:microsoft:windows_11:21h2:*:*:*:*:*:arm64:*",
"matchCriteriaId": "B4120497-0B6E-4704-99A5-D98EB8271C85",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:microsoft:windows_11:21h2:*:*:*:*:*:x64:*",
"matchCriteriaId": "D9C194F4-12C5-452D-913A-AAAF04598FEB",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:microsoft:windows_11:22h2:*:*:*:*:*:arm64:*",
"matchCriteriaId": "747ED159-1972-4310-AAD1-8E02AFB08826",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:microsoft:windows_11:22h2:*:*:*:*:*:x64:*",
"matchCriteriaId": "62B9100B-206D-4FD1-8D23-A355DCA37460",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:microsoft:windows_server_2022:-:*:*:*:*:*:*:*",
"matchCriteriaId": "821614DD-37DD-44E2-A8A4-FE8D23A33C3C",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Windows Local Session Manager (LSM) Elevation of Privilege Vulnerability"
},
{
"lang": "es",
"value": "Vulnerabilidad de elevaci\u00f3n de privilegios del Administrador de sesi\u00f3n local (LSM) de Windows"
}
],
"id": "CVE-2023-21771",
"lastModified": "2026-06-17T05:33:56.473",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "HIGH",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.0,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 1.0,
"impactScore": 5.9,
"source": "secure@microsoft.com",
"type": "Secondary"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2023-21771",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2023-01-06T00:00:00+00:00",
"version": "2.0.3"
}
}
]
},
"published": "2023-01-10T22:15:19.427",
"references": [
{
"source": "secure@microsoft.com",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21771"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21771"
}
],
"sourceIdentifier": "secure@microsoft.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-591"
}
],
"source": "secure@microsoft.com",
"type": "Secondary"
},
{
"description": [
{
"lang": "en",
"value": "CWE-362"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
},
"redhat_vex": {
"current_release_date": "2025-05-28T23:42:26+00:00",
"cve": "CVE-2023-21771",
"id": "CVE-2023-21771",
"initial_release_date": "2023-01-10T08:00:00+00:00",
"product_status:known_not_affected": "1",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "Windows Local Session Manager (LSM) Elevation of Privilege Vulnerability",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-21771.json",
"version": "3"
},
"vulnrichment": {
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-02T09:51:50.261Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"name": "Windows Local Session Manager (LSM) Elevation of Privilege Vulnerability",
"tags": [
"vendor-advisory",
"x_transferred"
],
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21771"
}
],
"title": "CVE Program Container"
},
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2023-21771",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-05-30T18:41:01.511200Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2024-05-30T18:41:05.511Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"platforms": [
"x64-based Systems"
],
"product": "Windows Server 2022",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "10.0.20348.1487",
"status": "affected",
"version": "10.0.20348.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"ARM64-based Systems"
],
"product": "Windows 10 Version 20H2",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "10.0.19042.2486",
"status": "affected",
"version": "10.0.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"x64-based Systems",
"ARM64-based Systems"
],
"product": "Windows 11 version 21H2",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "10.0.22000.1455",
"status": "affected",
"version": "10.0.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"32-bit Systems",
"ARM64-based Systems",
"x64-based Systems"
],
"product": "Windows 10 Version 21H2",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "10.0.19044.2486",
"status": "affected",
"version": "10.0.19043.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"ARM64-based Systems",
"x64-based Systems"
],
"product": "Windows 11 version 22H2",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "10.0.22621.1105",
"status": "affected",
"version": "10.0.22621.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"x64-based Systems",
"ARM64-based Systems",
"32-bit Systems"
],
"product": "Windows 10 Version 22H2",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "10.0.19045.2486",
"status": "affected",
"version": "10.0.19045.0",
"versionType": "custom"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*",
"versionEndExcluding": "10.0.20348.1487",
"versionStartIncluding": "10.0.20348.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:microsoft:windows_10_20H2:*:*:*:*:*:*:x86:*",
"versionEndExcluding": "10.0.19042.2486",
"versionStartIncluding": "10.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:microsoft:windows_11_21H2:*:*:*:*:*:*:x64:*",
"versionEndExcluding": "10.0.22000.1455",
"versionStartIncluding": "10.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:microsoft:windows_10_21H2:*:*:*:*:*:*:x86:*",
"versionEndExcluding": "10.0.19044.2486",
"versionStartIncluding": "10.0.19043.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:microsoft:windows_11_22H2:*:*:*:*:*:*:arm64:*",
"versionEndExcluding": "10.0.22621.1105",
"versionStartIncluding": "10.0.22621.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:microsoft:windows_10_22H2:*:*:*:*:*:*:x64:*",
"versionEndExcluding": "10.0.19045.2486",
"versionStartIncluding": "10.0.19045.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"datePublic": "2023-01-10T08:00:00.000Z",
"descriptions": [
{
"lang": "en-US",
"value": "Windows Local Session Manager (LSM) Elevation of Privilege Vulnerability"
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 7,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/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": [
{
"cweId": "CWE-591",
"description": "CWE-591: Sensitive Data Storage in Improperly Locked Memory",
"lang": "en-US",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2025-01-01T00:36:09.969Z",
"orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
"shortName": "microsoft"
},
"references": [
{
"name": "Windows Local Session Manager (LSM) Elevation of Privilege Vulnerability",
"tags": [
"vendor-advisory"
],
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21771"
}
],
"title": "Windows Local Session Manager (LSM) Elevation of Privilege Vulnerability"
}
},
"cveMetadata": {
"assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
"assignerShortName": "microsoft",
"cveId": "CVE-2023-21771",
"datePublished": "2023-01-10T00:00:00.000Z",
"dateReserved": "2022-12-13T00:00:00.000Z",
"dateUpdated": "2025-04-12T03:55:16.305Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
}
}
Loading…
Loading…
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Loading…
Loading…
The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
Loading…
Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
Loading…