中危 nextcloud nextcloud 关键功能的认证机制缺失
CVE编号
CVE-2021-32800利用情况
POC 已公开补丁情况
官方补丁披露时间
2021-09-08漏洞描述
Nextcloud server is an open source, self hosted personal cloud. In affected versions an attacker is able to bypass Two Factor Authentication in Nextcloud. Thus knowledge of a password, or access to a WebAuthN trusted device of a user was sufficient to gain access to an account. It is recommended that the Nextcloud Server is upgraded to 20.0.12, 21.0.4 or 22.1.0. There are no workaround for this vulnerability.解决建议
建议您更新当前系统或软件至最新版，完成漏洞的修复。受影响软件情况
| # | 类型 | 厂商 | 产品 | 版本 | 影响面 | ||||
| 1 | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 运行在以下环境 | |||||||||
| 应用 | nextcloud | nextcloud | * | Up to (excluding) 20.0.12 | |||||
| 运行在以下环境 | |||||||||
| 应用 | nextcloud | nextcloud | * | From (including) 21.0.0 | Up to (excluding) 21.0.4 | ||||
| 运行在以下环境 | |||||||||
| 应用 | nextcloud | nextcloud | * | From (including) 22.0.0 | Up to (excluding) 22.1.0 | ||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.2 | nextcloud | * | Up to (excluding) 20.0.12-lp152.3.12.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.3 | nextcloud | * | Up to (excluding) 20.0.12-bp153.2.6.1 | |||||
- 攻击路径 远程
- 攻击复杂度 容易
- 权限要求 无需权限
- 影响范围 全局影响
- EXP成熟度 POC 已公开
- 补丁情况 官方补丁
- 数据保密性 数据泄露
- 数据完整性 传输被破坏
- 服务器危害 无影响
- 全网数量 N/A
| CWE-ID | 漏洞类型 |
| CWE-306 | 关键功能的认证机制缺失 |
Exp相关链接
- avd.aliyun.com
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