CVE-2025-21374

Windows CSC Service Information Disclosure Vulnerability

CVSS v3 5.5 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21374	Patch Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:microsoft:windows_10_1507:::::::x64:*
	cpe:2.3:o:microsoft:windows_10_1507:::::::x86:*
	cpe:2.3:o:microsoft:windows_10_1607:::::::x64:*
	cpe:2.3:o:microsoft:windows_10_1607:::::::x86:*
	cpe:2.3:o:microsoft:windows_10_1809:::::::x64:*
	cpe:2.3:o:microsoft:windows_10_1809:::::::x86:*
	cpe:2.3:o:microsoft:windows_10_21h2::::::::
	cpe:2.3:o:microsoft:windows_10_22h2::::::::
	cpe:2.3:o:microsoft:windows_11_22h2::::::::
	cpe:2.3:o:microsoft:windows_11_23h2::::::::
	cpe:2.3:o:microsoft:windows_11_24h2::::::::
	cpe:2.3:o:microsoft:windows_server_2012:-:::::::*
	cpe:2.3:o:microsoft:windows_server_2012:r2:::::::*
	cpe:2.3:o:microsoft:windows_server_2016::::::::
	cpe:2.3:o:microsoft:windows_server_2019::::::::
	cpe:2.3:o:microsoft:windows_server_2022::::::::
	cpe:2.3:o:microsoft:windows_server_2022_23h2::::::::
	cpe:2.3:o:microsoft:windows_server_2025::::::::

History

17 Jan 2025, 15:39

Type	Values Removed	Values Added
First Time		Microsoft windows 10 1607 Microsoft windows 11 23h2 Microsoft windows Server 2025 Microsoft windows 10 1507 Microsoft windows Server 2022 Microsoft Microsoft windows 11 22h2 Microsoft windows Server 2019 Microsoft windows 11 24h2 Microsoft windows Server 2022 23h2 Microsoft windows Server 2012 Microsoft windows 10 21h2 Microsoft windows 10 1809 Microsoft windows 10 22h2 Microsoft windows Server 2016
References	~~() https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21374 -~~	() https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21374 - Patch, Vendor Advisory
Summary		(es) Vulnerabilidad de divulgación de información del servicio Windows CSC
CPE		cpe:2.3:o:microsoft:windows_10_1507:::::::x64:* cpe:2.3:o:microsoft:windows_11_24h2:::::::: cpe:2.3:o:microsoft:windows_11_23h2:::::::: cpe:2.3:o:microsoft:windows_10_1607:::::::x86:* cpe:2.3:o:microsoft:windows_server_2019:::::::: cpe:2.3:o:microsoft:windows_10_1507:::::::x86:* cpe:2.3:o:microsoft:windows_10_22h2:::::::: cpe:2.3:o:microsoft:windows_server_2022_23h2:::::::: cpe:2.3:o:microsoft:windows_server_2025:::::::: cpe:2.3:o:microsoft:windows_10_21h2:::::::: cpe:2.3:o:microsoft:windows_10_1809:::::::x86:* cpe:2.3:o:microsoft:windows_10_1809:::::::x64:* cpe:2.3:o:microsoft:windows_server_2016:::::::: cpe:2.3:o:microsoft:windows_11_22h2:::::::: cpe:2.3:o:microsoft:windows_server_2022:::::::: cpe:2.3:o:microsoft:windows_server_2012:-:::::::* cpe:2.3:o:microsoft:windows_server_2012:r2:::::::* cpe:2.3:o:microsoft:windows_10_1607:::::::x64:*

14 Jan 2025, 18:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2025-01-14 18:16

Updated : 2025-01-17 15:39

NVD link : CVE-2025-21374

Mitre link : CVE-2025-21374

CVE.ORG link : CVE-2025-21374

JSON object : View

Products Affected

microsoft

windows_server_2016
windows_10_1607
windows_11_24h2
windows_server_2022_23h2
windows_10_1809
windows_server_2019
windows_11_23h2
windows_10_21h2
windows_11_22h2
windows_server_2022
windows_10_22h2
windows_server_2025
windows_10_1507
windows_server_2012

CWE

CWE-125

Out-of-bounds Read

{"id": "CVE-2025-21374", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "secure@microsoft.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "published": "2025-01-14T18:16:03.003", "references": [{"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21374", "tags": ["Patch", "Vendor Advisory"], "source": "secure@microsoft.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "secure@microsoft.com", "description": [{"lang": "en", "value": "CWE-125"}]}, {"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-125"}]}], "descriptions": [{"lang": "en", "value": "Windows CSC Service Information Disclosure Vulnerability"}, {"lang": "es", "value": "Vulnerabilidad de divulgaci\u00f3n de informaci\u00f3n del servicio Windows CSC"}], "lastModified": "2025-01-17T15:39:11.143", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:microsoft:windows_10_1507:*:*:*:*:*:*:x64:*", "vulnerable": true, "matchCriteriaId": "D5C2C390-24E9-42C9-84BF-EE28670CAB30", "versionEndExcluding": "10.0.10240.20890"}, {"criteria": "cpe:2.3:o:microsoft:windows_10_1507:*:*:*:*:*:*:x86:*", "vulnerable": true, "matchCriteriaId": "C0B9C790-A26D-4EBD-B5CA-F0C628835A21", "versionEndExcluding": "10.0.10240.20890"}, {"criteria": "cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x64:*", "vulnerable": true, "matchCriteriaId": "DE0F44E5-40C1-4BE3-BBA4-507564182682", "versionEndExcluding": "10.0.14393.7699"}, {"criteria": "cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x86:*", "vulnerable": true, "matchCriteriaId": "83F40BB6-BBAE-4CD4-A5FE-1DAF690101AB", "versionEndExcluding": "10.0.14393.7699"}, {"criteria": "cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*", "vulnerable": true, "matchCriteriaId": "1BB028F9-A802-40C7-97BF-1D169291678F", "versionEndExcluding": "10.0.17763.6775"}, {"criteria": "cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:*", "vulnerable": true, "matchCriteriaId": "9F077951-8177-4FEE-A49A-76E51AE48CE0", "versionEndExcluding": "10.0.17763.6775"}, {"criteria": "cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5D64D2C7-51C3-47EB-B86E-75172846F4DF", "versionEndExcluding": "10.0.19044.5371"}, {"criteria": "cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "BC92CC57-B18C-43C3-8180-9A2108407433", "versionEndExcluding": "10.0.19045.5371"}, {"criteria": "cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D84EDF98-16E1-412A-9879-2C2FEF87FB2B", "versionEndExcluding": "10.0.22621.4751"}, {"criteria": "cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "282E3839-E953-4B14-A860-DBACC1E99AFF", "versionEndExcluding": "10.0.22631.4751"}, {"criteria": "cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "78A3F671-95DC-442A-A511-1E875DF93546", "versionEndExcluding": "10.0.26100.2894"}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A7DF96F8-BA6A-4780-9CA3-F719B3F81074"}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DB18C4CE-5917-401E-ACF7-2747084FD36E"}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DA4426DD-B748-4CC4-AC68-88AD963E5F0C", "versionEndExcluding": "10.0.14393.7699"}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "8F604C79-6A12-44C9-B69D-A2E323641079", "versionEndExcluding": "10.0.17763.6775"}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7B8C9C82-359E-4318-A10D-AA47CDFB38FE", "versionEndExcluding": "10.0.20348.3091"}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E3E0C061-2DA7-4237-9607-F6792DC92DD3", "versionEndExcluding": "10.0.25398.1369"}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "155593BE-9192-4286-81F7-2C66B55B0438", "versionEndExcluding": "10.0.26100.2894"}], "operator": "OR"}]}], "sourceIdentifier": "secure@microsoft.com"}

5.5 /10