本頁列出影響 codesys plchandler 的已公開 CVE 漏洞（透過 NVD CPE 關聯）。每列包含嚴重程度評分、摘要與發布日期，便於識別與分析安全議題。
| CVE | 摘要 | 來源 | 最高 CVSS | EPSS % | 公開時間 | 更新時間 |
|---|---|---|---|---|---|---|
| CVE-2022-31805 | In the CODESYS Development System multiple components in multiple versions transmit the passwords for the communication between clients and servers unprotected. | [email protected] | 7.5 | 0.95% | 2022-06-24 | 2026-06-17 |
| CVE-2021-29242 | CODESYS Control Runtime system before 3.5.17.0 has improper input validation. Attackers can send crafted communication packets to change the router's addressing scheme and may re-route, add, remove or change low level communication packages. | [email protected] | 7.3 | 1.07% | 2021-05-03 | 2026-06-16 |
| CVE-2018-20026 | Improper Communication Address Filtering exists in CODESYS V3 products versions prior V3.5.14.0. | [email protected] | 7.5 | 3.04% | 2019-02-19 | 2026-06-16 |