msrc_cve-2025-21203
Vulnerability from csaf_microsoft
Published
2025-04-08 07:00
Modified
2025-04-08 07:00
Summary
Windows Routing and Remote Access Service (RRAS) Information Disclosure Vulnerability
Notes
Additional Resources
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle
Disclaimer
The information provided in the Microsoft Knowledge Base is provided \"as is\" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.
Customer Action
Required. The vulnerability documented by this CVE requires customer action to resolve.
{ "document": { "acknowledgments": [ { "names": [ "Anonymous" ] } ], "aggregate_severity": { "namespace": "https://www.microsoft.com/en-us/msrc/security-update-severity-rating-system", "text": "Important" }, "category": "csaf_security_advisory", "csaf_version": "2.0", "distribution": { "text": "Public", "tlp": { "label": "WHITE", "url": "https://www.first.org/tlp/" } }, "lang": "en-US", "notes": [ { "category": "general", "text": "To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle", "title": "Additional Resources" }, { "category": "legal_disclaimer", "text": "The information provided in the Microsoft Knowledge Base is provided \\\"as is\\\" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.", "title": "Disclaimer" }, { "category": "general", "text": "Required. The vulnerability documented by this CVE requires customer action to resolve.", "title": "Customer Action" } ], "publisher": { "category": "vendor", "contact_details": "secure@microsoft.com", "name": "Microsoft Security Response Center", "namespace": "https://msrc.microsoft.com" }, "references": [ { "category": "self", "summary": "CVE-2025-21203 Windows Routing and Remote Access Service (RRAS) Information Disclosure Vulnerability - HTML", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21203" }, { "category": "self", "summary": "CVE-2025-21203 Windows Routing and Remote Access Service (RRAS) Information Disclosure Vulnerability - CSAF", "url": "https://msrc.microsoft.com/csaf/advisories/2025/msrc_cve-2025-21203.json" }, { "category": "external", "summary": "Microsoft Exploitability Index", "url": "https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1" }, { "category": "external", "summary": "Microsoft Support Lifecycle", "url": "https://support.microsoft.com/lifecycle" }, { "category": "external", "summary": "Common Vulnerability Scoring System", "url": "https://www.first.org/cvss" } ], "title": "Windows Routing and Remote Access Service (RRAS) Information Disclosure Vulnerability", "tracking": { "current_release_date": "2025-04-08T07:00:00.000Z", "generator": { "date": "2025-07-22T19:57:31.442Z", "engine": { "name": "MSRC Generator", "version": "1.0" } }, "id": "msrc_CVE-2025-21203", "initial_release_date": "2025-04-08T07:00:00.000Z", "revision_history": [ { "date": "2025-04-08T07:00:00.000Z", "legacy_version": "1", "number": "1", "summary": "Information published." } ], "status": "final", "version": "1" } }, "product_tree": { "branches": [ { "branches": [ { "category": "product_version_range", "name": "\u003c10.0.17763.7136", "product": { "name": "Windows Server 2019 \u003c10.0.17763.7136", "product_id": "7" } }, { "category": "product_version", "name": "10.0.17763.7136", "product": { "name": "Windows Server 2019 10.0.17763.7136", "product_id": "11571" } } ], "category": "product_name", "name": "Windows Server 2019" }, { "branches": [ { "category": "product_version_range", "name": "\u003c10.0.17763.7136", "product": { "name": "Windows Server 2019 (Server Core installation) \u003c10.0.17763.7136", "product_id": "6" } }, { "category": "product_version", "name": "10.0.17763.7136", "product": { "name": "Windows Server 2019 (Server Core installation) 10.0.17763.7136", "product_id": "11572" } } ], "category": "product_name", "name": "Windows Server 2019 (Server Core installation)" }, { "branches": [ { "category": "product_version_range", "name": "\u003c10.0.20348.3453", "product": { "name": "Windows Server 2022 \u003c10.0.20348.3453", "product_id": "5" } }, { "category": "product_version", "name": "10.0.20348.3453", "product": { "name": "Windows Server 2022 10.0.20348.3453", "product_id": "11923" } } ], "category": "product_name", "name": "Windows Server 2022" }, { "branches": [ { "category": "product_version_range", "name": "\u003c10.0.20348.3453", "product": { "name": "Windows Server 2022 (Server Core installation) \u003c10.0.20348.3453", "product_id": "4" } }, { "category": "product_version", "name": "10.0.20348.3453", "product": { "name": "Windows Server 2022 (Server Core installation) 10.0.20348.3453", "product_id": "11924" } } ], "category": "product_name", "name": "Windows Server 2022 (Server Core installation)" }, { "branches": [ { "category": "product_version_range", "name": "\u003c10.0.26100.3775", "product": { "name": "Windows Server 2025 (Server Core installation) \u003c10.0.26100.3775", "product_id": "1" } }, { "category": "product_version", "name": "10.0.26100.3775", "product": { "name": "Windows Server 2025 (Server Core installation) 10.0.26100.3775", "product_id": "12437" } } ], "category": "product_name", "name": "Windows Server 2025 (Server Core installation)" }, { "branches": [ { "category": "product_version_range", "name": "\u003c10.0.25398.1551", "product": { "name": "Windows Server 2022, 23H2 Edition (Server Core installation) \u003c10.0.25398.1551", "product_id": "3" } }, { "category": "product_version", "name": "10.0.25398.1551", "product": { "name": "Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.1551", "product_id": "12244" } } ], "category": "product_name", "name": "Windows Server 2022, 23H2 Edition (Server Core installation)" }, { "branches": [ { "category": "product_version_range", "name": "\u003c10.0.26100.3775", "product": { "name": "Windows Server 2025 \u003c10.0.26100.3775", "product_id": "2" } }, { "category": "product_version", "name": "10.0.26100.3775", "product": { "name": "Windows Server 2025 10.0.26100.3775", "product_id": "12436" } } ], "category": "product_name", "name": "Windows Server 2025" }, { "branches": [ { "category": "product_version_range", "name": "\u003c10.0.14393.7969", "product": { "name": "Windows Server 2016 \u003c10.0.14393.7969", "product_id": "9" } }, { "category": "product_version", "name": "10.0.14393.7969", "product": { "name": "Windows Server 2016 10.0.14393.7969", "product_id": "10816" } } ], "category": "product_name", "name": "Windows Server 2016" }, { "branches": [ { "category": "product_version_range", "name": "\u003c10.0.14393.7969", "product": { "name": "Windows Server 2016 (Server Core installation) \u003c10.0.14393.7969", "product_id": "8" } }, { "category": "product_version", "name": "10.0.14393.7969", "product": { "name": "Windows Server 2016 (Server Core installation) 10.0.14393.7969", "product_id": "10855" } } ], "category": "product_name", "name": "Windows Server 2016 (Server Core installation)" }, { "branches": [ { "category": "product_version_range", "name": "\u003c6.0.6003.23220", "product": { "name": "Windows Server 2008 for 32-bit Systems Service Pack 2 \u003c6.0.6003.23220", "product_id": "19" } }, { "category": "product_version", "name": "6.0.6003.23220", "product": { "name": "Windows Server 2008 for 32-bit Systems Service Pack 2 6.0.6003.23220", "product_id": "9312" } } ], "category": "product_name", "name": "Windows Server 2008 for 32-bit Systems Service Pack 2" }, { "branches": [ { "category": "product_version_range", "name": "\u003c6.0.6003.23220", "product": { "name": "Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) \u003c6.0.6003.23220", "product_id": "14" } }, { "category": "product_version", "name": "6.0.6003.23220", "product": { "name": "Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) 6.0.6003.23220", "product_id": "10287" } } ], "category": "product_name", "name": "Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)" }, { "branches": [ { "category": "product_version_range", "name": "\u003c6.0.6003.23220", "product": { "name": "Windows Server 2008 for x64-based Systems Service Pack 2 \u003c6.0.6003.23220", "product_id": "18" } }, { "category": "product_version", "name": "6.0.6003.23220", "product": { "name": "Windows Server 2008 for x64-based Systems Service Pack 2 6.0.6003.23220", "product_id": "9318" } } ], "category": "product_name", "name": "Windows Server 2008 for x64-based Systems Service Pack 2" }, { "branches": [ { "category": "product_version_range", "name": "\u003c6.0.6003.23220", "product": { "name": "Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) \u003c6.0.6003.23220", "product_id": "17" } }, { "category": "product_version", "name": "6.0.6003.23220", "product": { "name": "Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) 6.0.6003.23220", "product_id": "9344" } } ], "category": "product_name", "name": "Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)" }, { "branches": [ { "category": "product_version_range", "name": "\u003c6.1.7601.27670", "product": { "name": "Windows Server 2008 R2 for x64-based Systems Service Pack 1 \u003c6.1.7601.27670", "product_id": "15" } }, { "category": "product_version", "name": "6.1.7601.27670", "product": { "name": "Windows Server 2008 R2 for x64-based Systems Service Pack 1 6.1.7601.27670", "product_id": "10051" } } ], "category": "product_name", "name": "Windows Server 2008 R2 for x64-based Systems Service Pack 1" }, { "branches": [ { "category": "product_version_range", "name": "\u003c6.1.7601.27670", "product": { "name": "Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) \u003c6.1.7601.27670", "product_id": "16" } }, { "category": "product_version", "name": "6.1.7601.27670", "product": { "name": "Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) 6.1.7601.27670", "product_id": "10049" } } ], "category": "product_name", "name": "Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)" }, { "branches": [ { "category": "product_version_range", "name": "\u003c6.2.9200.25423", "product": { "name": "Windows Server 2012 \u003c6.2.9200.25423", "product_id": "13" } }, { "category": "product_version", "name": "6.2.9200.25423", "product": { "name": "Windows Server 2012 6.2.9200.25423", "product_id": "10378" } } ], "category": "product_name", "name": "Windows Server 2012" }, { "branches": [ { "category": "product_version_range", "name": "\u003c6.2.9200.25423", "product": { "name": "Windows Server 2012 (Server Core installation) \u003c6.2.9200.25423", "product_id": "12" } }, { "category": "product_version", "name": "6.2.9200.25423", "product": { "name": "Windows Server 2012 (Server Core installation) 6.2.9200.25423", "product_id": "10379" } } ], "category": "product_name", "name": "Windows Server 2012 (Server Core installation)" }, { "branches": [ { "category": "product_version_range", "name": "\u003c6.3.9600.22523", "product": { "name": "Windows Server 2012 R2 \u003c6.3.9600.22523", "product_id": "11" } }, { "category": "product_version", "name": "6.3.9600.22523", "product": { "name": "Windows Server 2012 R2 6.3.9600.22523", "product_id": "10483" } } ], "category": "product_name", "name": "Windows Server 2012 R2" }, { "branches": [ { "category": "product_version_range", "name": "\u003c6.3.9600.22523", "product": { "name": "Windows Server 2012 R2 (Server Core installation) \u003c6.3.9600.22523", "product_id": "10" } }, { "category": "product_version", "name": "6.3.9600.22523", "product": { "name": "Windows Server 2012 R2 (Server Core installation) 6.3.9600.22523", "product_id": "10543" } } ], "category": "product_name", "name": "Windows Server 2012 R2 (Server Core installation)" } ] }, "vulnerabilities": [ { "cve": "CVE-2025-21203", "cwe": { "id": "CWE-126", "name": "Buffer Over-read" }, "notes": [ { "category": "general", "text": "Microsoft", "title": "Assigning CNA" }, { "category": "faq", "text": "This attack requires an admin user on the client to connect to a malicious server and then take specific actions which could result in information disclosure.", "title": "According to the CVSS metric, user interaction is required (UI:R). What interaction would the user have to do?" }, { "category": "faq", "text": "An attacker who successfully exploited this vulnerability could potentially read portions of heap memory.", "title": "What type of information could be disclosed by this vulnerability?" } ], "product_status": { "fixed": [ "9312", "9318", "9344", "10049", "10051", "10287", "10378", "10379", "10483", "10543", "10816", "10855", "11571", "11572", "11923", "11924", "12244", "12436", "12437" ], "known_affected": [ "1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "11", "12", "13", "14", "15", "16", "17", "18", "19" ] }, "references": [ { "category": "self", "summary": "CVE-2025-21203 Windows Routing and Remote Access Service (RRAS) Information Disclosure Vulnerability - HTML", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21203" }, { "category": "self", "summary": "CVE-2025-21203 Windows Routing and Remote Access Service (RRAS) Information Disclosure Vulnerability - CSAF", "url": "https://msrc.microsoft.com/csaf/advisories/2025/msrc_cve-2025-21203.json" } ], "remediations": [ { "category": "vendor_fix", "date": "2025-04-08T07:00:00.000Z", "details": "10.0.17763.7136:Security Update:https://support.microsoft.com/help/5055519", "product_ids": [ "7", "6" ], "url": "https://support.microsoft.com/help/5055519" }, { "category": "vendor_fix", "date": "2025-04-08T07:00:00.000Z", "details": "10.0.20348.3453:Security Update:https://support.microsoft.com/help/5055526", "product_ids": [ "5", "4" ], "url": "https://support.microsoft.com/help/5055526" }, { "category": "vendor_fix", "date": "2025-04-08T07:00:00.000Z", "details": "10.0.26100.3775:Security Update:https://support.microsoft.com/help/5055523", "product_ids": [ "1", "2" ], "url": "https://support.microsoft.com/help/5055523" }, { "category": "vendor_fix", "date": "2025-04-08T07:00:00.000Z", "details": "10.0.25398.1551:Security Update:https://support.microsoft.com/help/5055527", "product_ids": [ "3" ], "url": "https://support.microsoft.com/help/5055527" }, { "category": "vendor_fix", "date": "2025-04-08T07:00:00.000Z", "details": "10.0.14393.7969:Security Update:https://support.microsoft.com/help/5055521", "product_ids": [ "9", "8" ], "url": "https://support.microsoft.com/help/5055521" }, { "category": "vendor_fix", "date": "2025-04-08T07:00:00.000Z", "details": "6.0.6003.23220:Monthly Rollup:https://support.microsoft.com/help/5055609", "product_ids": [ "19", "14", "18", "17" ], "url": "https://support.microsoft.com/help/5055609" }, { "category": "vendor_fix", "date": "2025-04-08T07:00:00.000Z", "details": "6.0.6003.23220:Security Only:https://support.microsoft.com/help/5055596", "product_ids": [ "19", "14", "18", "17" ], "url": "https://support.microsoft.com/help/5055596" }, { "category": "vendor_fix", "date": "2025-04-08T07:00:00.000Z", "details": "6.1.7601.27670:Monthly Rollup:https://support.microsoft.com/help/5055561", "product_ids": [ "15", "16" ], "url": "https://support.microsoft.com/help/5055561" }, { "category": "vendor_fix", "date": "2025-04-08T07:00:00.000Z", "details": "6.1.7601.27670:Security Only:https://support.microsoft.com/help/5055570", "product_ids": [ "15", "16" ], "url": "https://support.microsoft.com/help/5055570" }, { "category": "vendor_fix", "date": "2025-04-08T07:00:00.000Z", "details": "6.2.9200.25423:Monthly Rollup:https://support.microsoft.com/help/5055581", "product_ids": [ "13", "12" ], "url": "https://support.microsoft.com/help/5055581" }, { "category": "vendor_fix", "date": "2025-04-08T07:00:00.000Z", "details": "6.3.9600.22523:Monthly Rollup:https://support.microsoft.com/help/5055557", "product_ids": [ "11", "10" ], "url": "https://support.microsoft.com/help/5055557" } ], "scores": [ { "cvss_v3": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "environmentalsScore": 0.0, "exploitCodeMaturity": "UNPROVEN", "integrityImpact": "NONE", "privilegesRequired": "NONE", "remediationLevel": "OFFICIAL_FIX", "reportConfidence": "CONFIRMED", "scope": "UNCHANGED", "temporalScore": 5.7, "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C", "version": "3.1" }, "products": [ "1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "11", "12", "13", "14", "15", "16", "17", "18", "19" ] } ], "threats": [ { "category": "impact", "details": "Information Disclosure" }, { "category": "exploit_status", "details": "Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation Less Likely" } ], "title": "Windows Routing and Remote Access Service (RRAS) Information Disclosure Vulnerability" } ] }
Loading…
Loading…
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.
Loading…
Loading…