idec microsmart_fc6a_firmware 不充分的凭证保护机制
CVE编号
CVE-2021-20826利用情况
暂无补丁情况
N/A披露时间
2021-12-24漏洞描述
Unprotected transport of credentials vulnerability in IDEC PLCs (FC6A Series MICROSmart All-in-One CPU module v2.32 and earlier, FC6A Series MICROSmart Plus CPU module v1.91 and earlier, WindLDR v8.19.1 and earlier, WindEDIT Lite v1.3.1 and earlier, and Data File Manager v2.12.1 and earlier) allows an attacker to obtain the PLC Web server user credentials from the communication between the PLC and the software. As a result, the complete access privileges to the PLC Web server may be obtained, and manipulation of the PLC output and/or suspension of the PLC may be conducted.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://jvn.jp/en/vu/JVNVU92279973/index.html | |
| https://www.idec.com/home/lp/pdf/2021-12-24-PLC.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 | |||||||||
| 应用 | idec | data_file_manager | * | Up to (including) 2.12.1 | |||||
| 运行在以下环境 | |||||||||
| 应用 | idec | windedit | * | Up to (including) 1.3.1 | |||||
| 运行在以下环境 | |||||||||
| 应用 | idec | windldr | * | Up to (including) 8.19.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | idec | microsmart_fc6a_firmware | * | Up to (including) 2.32 | |||||
| 运行在以下环境 | |||||||||
| 系统 | idec | microsmart_plus_fc6a_firmware | * | Up to (including) 1.91 | |||||
| 运行在以下环境 | |||||||||
| 硬件 | idec | microsmart_fc6a | - | - | |||||
| 运行在以下环境 | |||||||||
| 硬件 | idec | microsmart_plus_fc6a | - | - | |||||
- 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 低
- 保密性 高
- 完整性 低
| CWE-ID | 漏洞类型 |
| CWE-522 | 不充分的凭证保护机制 |
Exp相关链接
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