本页列出影响 idec microsmart_plus_fc6a_firmware 的已公开 CVE 漏洞（通过 NVD CPE 关联）。每行包含严重程度评分、摘要与发布日期，便于识别与分析安全问题。
| CVE | 摘要 | 来源 | 最高 CVSS | EPSS % | 公开时间 | 更新时间 |
|---|---|---|---|---|---|---|
| CVE-2021-37401 | An attacker may obtain the user credentials from file servers, backup repositories, or ZLD files saved in SD cards. As a result, the PLC user program may be uploaded, altered, and/or downloaded. | [email protected] | 9.8 | 0.70% | 2021-12-28 | 2024-11-21 |
| CVE-2021-37400 | An attacker may obtain the user credentials from the communication between the PLC and the software. As a result, the PLC user program may be uploaded, altered, and/or downloaded. | [email protected] | 9.8 | 0.70% | 2021-12-28 | 2024-11-21 |
| CVE-2021-20827 | Plaintext storage of a password 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 file servers, backup repositories, or ZLD files saved in SD cards. As a result, the attacker may access the PLC Web server and hijack the PLC, | [email protected] | 7.5 | 0.15% | 2021-12-24 | 2024-11-21 |
| CVE-2021-20826 | 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, an | [email protected] | 7.6 | 0.09% | 2021-12-24 | 2024-11-21 |