siemens logo!_cmr2020_firmware 使用不充分的随机数
CVE编号
CVE-2021-37186利用情况
暂无补丁情况
N/A披露时间
2021-09-14漏洞描述
A vulnerability has been identified in LOGO! CMR2020 (All versions < V2.2), LOGO! CMR2040 (All versions < V2.2), SIMATIC RTU 3000 family (All versions). The underlying TCP/IP stack does not properly calculate the random numbers used as ISN (Initial Sequence Numbers). An adjacent attacker with network access to the LAN interface could interfere with traffic, spoof the connection and gain access to sensitive information.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://cert-portal.siemens.com/productcert/pdf/ssa-316383.pdf |
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 | |||||||||
| 系统 | siemens | logo!_cmr2020_firmware | * | Up to (excluding) 2.2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | siemens | logo!_cmr2040_firmware | * | Up to (excluding) 2.2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | siemens | simatic_rtu3010c_firmware | - | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | siemens | simatic_rtu3030c_firmware | - | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | siemens | simatic_rtu3031c_firmware | - | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | siemens | simatic_rtu3041c_firmware | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | siemens | logo!_cmr2020 | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | siemens | logo!_cmr2040 | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | siemens | simatic_rtu3010c | * | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | siemens | simatic_rtu3030c | * | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | siemens | simatic_rtu3031c | * | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | siemens | simatic_rtu3041c | * | - | |||||
- 攻击路径 相邻
- 攻击复杂度 低
- 权限要求 无
- 影响范围 未更改
- 用户交互 无
- 可用性 无
- 保密性 低
- 完整性 低
| CWE-ID | 漏洞类型 |
| CWE-330 | 使用不充分的随机数 |
Exp相关链接
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