Cloud Vulnerability DB
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Vulnerability DatabaseCVE-2025-21247
CVE-2025-21247:
vulnerability analysis and mitigation
Overview
CVE-2025-21247 is a security vulnerability discovered in Windows MapUrlToZone functionality. The vulnerability was disclosed on March 11, 2025, and involves improper resolution of path equivalence that could allow an unauthorized attacker to bypass security features over a network (NVD, CVE MITRE).
Technical details
The vulnerability is classified as CWE-41 (Improper Resolution of Path Equivalence). Microsoft has assigned it a CVSS v3.1 base score of 4.3 (MEDIUM) with the vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N, indicating network vector attack capability with low attack complexity, no privileges required, and user interaction required (NVD).
Impact
The vulnerability affects the Windows MapUrlToZone functionality and could allow unauthorized attackers to bypass security features when exploited successfully. The CVSS scoring indicates low confidentiality impact with no integrity or availability impacts (NVD).
Mitigation and workarounds
Microsoft has acknowledged the vulnerability and provided information through their Security Update Guide. Users are advised to monitor the Microsoft Security Response Center for patches and updates (Microsoft Security).
Additional resources
Source: This report was generated using AI
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