中危 Microsoft Windows权限许可和访问控制问题漏洞
CVE编号
CVE-2021-43893利用情况
暂无补丁情况
官方补丁披露时间
2021-12-14漏洞描述
Microsoft Windows是美国微软（Microsoft）公司的一套个人设备使用的操作系统。 Microsoft Windows Encrypting File System (EFS)存在权限许可和访问控制问题漏洞。 以下产品和版本受到影响： Windows Server 2019 (Server Core installation) Windows 10 Version 1909 for 32-bit Systems Windows 10 Version 1909 for x64-based Systems Windows 10 Version 1909 for ARM64-based Systems Windows 10 Version 21H1 for x64-based Systems Windows 10 Version 21H1 for ARM64-based Systems Windows 10 Version 21H1 for 32-bit Systems Windows Server 2022Windows Server 2022 (Server Core installation) Windows 10 Version 2004 for 32-bit Systems Windows 10 Version 2004 for ARM64-based Systems Windows 10 Version 2004 for x64-based Systems Windows Server version 2004 (Server Core installation) Windows 10 Version 20H2 for x64-based Systems Windows 10 Version 20H2 for 32-bit Systems Windows 10 Version 20H2 for ARM64-based Systems Windows Server version 20H2 (Server Core Installation) Windows 11 for x64-based Systems Windows 11 for ARM64-based Systems Windows 10 Version 21H2 for 32-bit Systems Windows 10 Version 21H2 for ARM64-based Systems Windows 10 Version 21H2 for x64-based Systems Windows 10 for 32-bit Systems Windows 10 for x64-based Systems Windows 10 Version 1607 for 32-bit Systems Windows 10 Version 1607 for x64-based Systems Windows Server 2012 R2 (Server Core installation) Windows 10 Version 1809 for 32-bit Systems Windows 10 Version 1809 for x64-based Systems Windows 10 Version 1809 for ARM64-based Systems Windows Server 2019Windows Server 2016 Windows Server 2016 (Server Core installation) Windows 7 for 32-bit Systems Service Pack 1 Windows 7 for x64-based Systems Service Pack 1 Windows 8.1 for 32-bit systems Windows 8.1 for x64-based systems Windows RT 8.1Windows Server 2008 for 32-bit Systems Service Pack 2 Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) Windows Server 2008 for x64-based Systems Service Pack 2 Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) Windows Server 2008 R2 for x64-based Systems Service Pack 1 Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) Windows Server 2012Windows Server 2012 (Server Core installation) Windows Server 2012 R2解决建议
目前厂商已发布升级补丁以修复漏洞，补丁获取链接：https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-43893- 攻击路径 远程
- 攻击复杂度 复杂
- 权限要求 无需权限
- 影响范围 有限影响
- EXP成熟度 未验证
- 补丁情况 官方补丁
- 数据保密性 数据泄露
- 数据完整性 无影响
- 服务器危害 无影响
- 全网数量 N/A
| CWE-ID | 漏洞类型 |
| CWE-269 | 特权管理不恰当 |
| CWE-668 | 将资源暴露给错误范围 |
Exp相关链接
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