CVE-2021-22538 (CNNVD-202103-1732)
中文标题:
Seth Vargo Exposure Notification Verification Server 输入验证错误漏洞
英文标题:
Privilege escalation in RBAC system
漏洞描述
中文描述:
Seth Vargo exposure-notifications-verification-server是 (Seth Vargo)开源的一个应用程序。这是Exposure Notifications验证服务器的参考实现,该服务器是更广泛的Google Exposure Notifications系统的一部分。 Seth Vargo Exposure Notification Verification Server (versions prior to 0.23.1) 存在安全漏洞,攻击者可利用该漏洞创建一个拥有更高权限的用户。
英文描述:
A privilege escalation vulnerability impacting the Google Exposure Notification Verification Server (versions prior to 0.23.1), allows an attacker who (1) has UserWrite permissions and (2) is using a carefully crafted request or malicious proxy, to create another user with higher privileges than their own. This occurs due to insufficient checks on the allowed set of permissions. The new user creation event would be captured in the Event Log.
CWE类型:
标签:
受影响产品
| 厂商 | 产品 | 版本 | 版本范围 | 平台 | CPE |
|---|---|---|---|---|---|
| Google LLC | Exposure Notifications Verification Server | - | ≤ 0.23.0 | - |
cpe:2.3:a:google_llc:exposure_notifications_verification_server:*:*:*:*:*:*:*:*
|
| exposure_notifications_verification_server | * | - | - |
cpe:2.3:a:google:exposure_notifications_verification_server:*:*:*:*:*:*:*:*
|
解决方案
中文解决方案:
英文解决方案:
临时解决方案:
CVSS评分详情
3.1 (cna)
MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
时间信息
利用信息
数据源详情
| 数据源 | 记录ID | 版本 | 提取时间 |
|---|---|---|---|
| CVE | cve_CVE-2021-22538 |
2025-11-11 15:20:49 | 2025-11-11 07:36:39 |
| NVD | nvd_CVE-2021-22538 |
2025-11-11 14:57:35 | 2025-11-11 07:45:00 |
| CNNVD | cnnvd_CNNVD-202103-1732 |
2025-11-11 15:10:36 | 2025-11-11 07:56:39 |
版本与语言
安全公告
变更历史
查看详细变更
- vulnerability_type: 未提取 -> 输入验证错误
- cnnvd_id: 未提取 -> CNNVD-202103-1732
- data_sources: ['cve', 'nvd'] -> ['cnnvd', 'cve', 'nvd']
查看详细变更
- affected_products_count: 1 -> 2
- data_sources: ['cve'] -> ['cve', 'nvd']