msrc_cve-2025-21219
Vulnerability from csaf_microsoft
Published
2025-01-14 08:00
Modified
2025-01-14 08:00
Summary
MapUrlToZone Security Feature Bypass 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": [ "\u003ca href=\"https://twitter.com/ecthr0s\"\u003eGeorge Hughey\u003c/a\u003e with MSRC Vulnerabilities \u0026amp; Mitigations" ] } ], "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-2025-21219 MapUrlToZone Security Feature Bypass Vulnerability - HTML", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21219" }, { "category": "self", "summary": "CVE-2025-21219 MapUrlToZone Security Feature Bypass Vulnerability - CSAF", "url": "https://msrc.microsoft.com/csaf/advisories/2025/msrc_cve-2025-21219.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": "MapUrlToZone Security Feature Bypass Vulnerability", "tracking": { "current_release_date": "2025-01-14T08:00:00.000Z", "generator": { "date": "2025-04-02T13:22:58.362Z", "engine": { "name": "MSRC Generator", "version": "1.0" } }, "id": "msrc_CVE-2025-21219", "initial_release_date": "2025-01-14T08:00:00.000Z", "revision_history": [ { "date": "2025-01-14T08:00:00.000Z", "legacy_version": "1", "number": "1", "summary": "Information published." } ], "status": "final", "version": "1" } }, "product_tree": { "branches": [ { "branches": [ { "category": "product_version_range", "name": "\u003c10.0.17763.6775", "product": { "name": "Windows 10 Version 1809 for 32-bit Systems \u003c10.0.17763.6775", "product_id": "21" } }, { "category": "product_version", "name": "10.0.17763.6775", "product": { "name": "Windows 10 Version 1809 for 32-bit Systems 10.0.17763.6775", "product_id": "11568" } } ], "category": 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"Windows Server 2016 (Server Core installation)" }, { "branches": [ { "category": "product_version_range", "name": "\u003c10.0.26100.2894", "product": { "name": "Windows Server 2025 \u003c10.0.26100.2894", "product_id": "2" } }, { "category": "product_version", "name": "10.0.26100.2894", "product": { "name": "Windows Server 2025 10.0.26100.2894", "product_id": "12436" } } ], "category": "product_name", "name": "Windows Server 2025" }, { "branches": [ { "category": "product_version_range", "name": "\u003c10.0.26100.2894", "product": { "name": "Windows Server 2025 (Server Core installation) \u003c10.0.26100.2894", "product_id": "1" } }, { "category": "product_version", "name": "10.0.26100.2894", "product": { "name": "Windows Server 2025 (Server Core installation) 10.0.26100.2894", "product_id": "12437" } } ], "category": "product_name", "name": "Windows Server 2025 (Server Core installation)" } ] }, "vulnerabilities": [ { "cve": "CVE-2025-21219", "cwe": { "id": "CWE-41", "name": "Improper Resolution of Path Equivalence" }, "notes": [ { "category": "general", "text": "Microsoft", "title": "Assigning CNA" }, { "category": "faq", "text": "An attacker who successfully exploited the vulnerability could view some sensitive information (Confidentiality) but not all resources within the impacted component may be divulged to the attacker. The attacker cannot make changes to disclosed information (Integrity) or limit access to the resource (Availability).", "title": "According to the CVSS metrics, successful exploitation of this vulnerability could lead to some loss of confidentiality (C:L) but have no effect on integrity (I:N) or on availability (A:N). What does that mean for this vulnerability?" }, { "category": "faq", "text": "An attacker who successfully exploited the vulnerability could bypass the MapURLToZone method.", "title": "What kind of security feature could be bypassed by successfully exploiting this vulnerability?" }, { "category": "faq", "text": "Exploitation of the vulnerability requires that a user open a specially crafted file.\nIn an email attack scenario, an attacker could exploit the vulnerability by sending the specially crafted file to the user and convincing the user to open the file., In a web-based attack scenario, an attacker could host a website (or leverage a compromised website that accepts or hosts user-provided content) containing a specially crafted file designed to exploit the vulnerability.\nAn attacker would have no way to force users to visit the website. Instead, an attacker would have to convince users to click a link, typically by way of an enticement in an email or instant message, and then convince them to open the specially crafted file.", "title": "According to the CVSS metric, user interaction is required (UI:R). What interaction would the user have to do?" } ], "product_status": { "fixed": [ "10729", "10735", "10816", "10852", "10853", "10855", "11568", "11569", "11571", "11572", "11923", "11924", "11929", "11930", "11931", "12085", "12086", "12097", "12098", "12099", "12242", "12243", "12244", "12389", "12390", "12436", "12437" ], "known_affected": [ "1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "11", "12", "13", "14", "15", "16", "17", "18", "19", "20", "21", "22", "23", "24", "25", "26", "27" ] }, "references": [ { "category": "self", "summary": "CVE-2025-21219 MapUrlToZone Security Feature Bypass Vulnerability - HTML", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21219" }, { "category": "self", "summary": "CVE-2025-21219 MapUrlToZone Security Feature Bypass Vulnerability - CSAF", "url": "https://msrc.microsoft.com/csaf/advisories/2025/msrc_cve-2025-21219.json" } ], "remediations": [ { "category": "vendor_fix", "date": "2025-01-14T08:00:00.000Z", "details": "10.0.17763.6775:Security Update:https://support.microsoft.com/help/5050008", "product_ids": [ "21", "20", "19", "18" ], "url": "https://support.microsoft.com/help/5050008" }, { "category": "vendor_fix", "date": "2025-01-14T08:00:00.000Z", "details": "10.0.20348.3091:Security Update:https://support.microsoft.com/help/5049983", "product_ids": [ "17", "16" ], "url": "https://support.microsoft.com/help/5049983" }, { "category": "vendor_fix", "date": "2025-01-14T08:00:00.000Z", "details": "10.0.19044.5371:Security Update:https://support.microsoft.com/help/5049981", "product_ids": [ "15", "14", "13" ], "url": "https://support.microsoft.com/help/5049981" }, { "category": "vendor_fix", "date": "2025-01-14T08:00:00.000Z", "details": "10.0.22621.4751:Security Update:https://support.microsoft.com/help/5050021", "product_ids": [ "12", "11" ], "url": "https://support.microsoft.com/help/5050021" }, { "category": "vendor_fix", "date": "2025-01-14T08:00:00.000Z", "details": "10.0.19045.5371:Security Update:https://support.microsoft.com/help/5049981", "product_ids": [ "10", "9", "8" ], "url": "https://support.microsoft.com/help/5049981" }, { "category": "vendor_fix", "date": "2025-01-14T08:00:00.000Z", "details": "10.0.22631.4751:Security Update:https://support.microsoft.com/help/5050021", "product_ids": [ "7", "6" ], "url": "https://support.microsoft.com/help/5050021" }, { "category": "vendor_fix", "date": "2025-01-14T08:00:00.000Z", "details": "10.0.25398.1369:Security Update:https://support.microsoft.com/help/5049984", "product_ids": [ "5" ], "url": "https://support.microsoft.com/help/5049984" }, { "category": "vendor_fix", "date": "2025-01-14T08:00:00.000Z", "details": "10.0.26100.2894:Security Update:https://support.microsoft.com/help/5050009", "product_ids": [ "4", "3", "2", "1" ], "url": "https://support.microsoft.com/help/5050009" }, { "category": "vendor_fix", "date": "2025-01-14T08:00:00.000Z", "details": "10.0.10240.20890:Security Update:https://support.microsoft.com/help/5050013", "product_ids": [ "27", "26" ], "url": "https://support.microsoft.com/help/5050013" }, { "category": "vendor_fix", "date": "2025-01-14T08:00:00.000Z", "details": "10.0.14393.7699:Security Update:https://support.microsoft.com/help/5049993", "product_ids": [ "24", "23", "25", "22" ], "url": "https://support.microsoft.com/help/5049993" } ], "scores": [ { "cvss_v3": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "environmentalsScore": 0.0, "exploitCodeMaturity": "UNPROVEN", "integrityImpact": "NONE", "privilegesRequired": "NONE", "remediationLevel": "OFFICIAL_FIX", "reportConfidence": "CONFIRMED", "scope": "UNCHANGED", "temporalScore": 3.8, "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/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", "20", "21", "22", "23", "24", "25", "26", "27" ] } ], "threats": [ { "category": "impact", "details": "Security Feature Bypass" }, { "category": "exploit_status", "details": "Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation More Likely" } ], "title": "MapUrlToZone Security Feature Bypass Vulnerability" } ] }
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Sightings
Author | Source | Type | Date |
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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.
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