中危 nextcloud nextcloud_server 过多认证尝试的限制不恰当
CVE编号
CVE-2021-22915利用情况
暂无补丁情况
官方补丁披露时间
2021-06-12漏洞描述
Nextcloud server before 19.0.11, 20.0.10, 21.0.2 is vulnerable to brute force attacks due to lack of inclusion of IPv6 subnets in rate-limiting considerations. This could potentially result in an attacker bypassing rate-limit controls such as the Nextcloud brute-force protection.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_server | * | Up to (excluding) 19.0.11 | |||||
| 运行在以下环境 | |||||||||
| 应用 | nextcloud | nextcloud_server | * | From (including) 20.0.0 | Up to (excluding) 20.0.10 | ||||
| 运行在以下环境 | |||||||||
| 应用 | nextcloud | nextcloud_server | * | From (including) 21.0.0 | Up to (excluding) 21.0.2 | ||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_33 | nextcloud | * | Up to (excluding) 19.0.12-1.fc33 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_33_Modular | nextcloud | * | Up to (excluding) nextcloud_20-3320210630133442.601d93de | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_34 | nextcloud | * | Up to (excluding) 20.0.10-1.fc34 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_34_Modular | nextcloud | * | Up to (excluding) nextcloud_20-3420210630133442.058368ca | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_Epel_8_Modular | nextcloud | * | Up to (excluding) nextcloud_21-820210630133336.9edba152 | |||||
- 攻击路径 远程
- 攻击复杂度 困难
- 权限要求 无需权限
- 影响范围 越权影响
- 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 N/A
- 服务器危害 N/A
- 全网数量 N/A
| CWE-ID | 漏洞类型 |
| CWE-307 | 过多认证尝试的限制不恰当 |
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