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。
参考链接 |
|
|---|---|
| https://hackerone.com/reports/1154003 | |
| https://lists.fedoraproject.org/archives/list/[email protected]... | |
| https://lists.fedoraproject.org/archives/list/[email protected]... | |
| https://nextcloud.com/security/advisory/?id=NC-SA-2021-009 |
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_19-3320210630133545.601d93de |
|||||
| 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_33_Modular | nextcloud | * |
Up to (excluding) nextcloud_21-3320210630133336.601d93de |
|||||
| 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_19-3420210630133545.058368ca |
|||||
| 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_34_Modular | nextcloud | * |
Up to (excluding) nextcloud_21-3420210630133336.058368ca |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_Epel_8_Modular | nextcloud | * |
Up to (excluding) nextcloud_19-820210630133545.9edba152 |
|||||
| 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
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