CVE-2022-22517— Communication Components in multiple CODESYS products vulnerable to communication channel disruption
Quick assessment
Affected
CODESYS CODESYS Control RTE (SL)
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
CODESYS是德国3S-Smart Software Solutions的一套控制器开发系统 CODESYS 产品存在安全漏洞，该漏洞源于未经身份验证的远程攻击者可以通过猜测有效的通道 ID 并注入数据包来破坏 CODESYS 产品之间的现有通信通道。这导致通信通道被关闭。
Possible ATT&CK Techniques 1 AI
T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2022-22517
Vulnerability Information
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Vulnerability Title
Communication Components in multiple CODESYS products vulnerable to communication channel disruption
Source: CVE Program / CVE List V5
Vulnerability Description
An unauthenticated, remote attacker can disrupt existing communication channels between CODESYS products by guessing a valid channel ID and injecting packets. This results in the communication channel to be closed.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
随机数的空间太小
Source: CVE Program / CVE List V5
Vulnerability Title
CODESYS 安全特征问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
CODESYS是德国3S-Smart Software Solutions的一套控制器开发系统 CODESYS 产品存在安全漏洞，该漏洞源于未经身份验证的远程攻击者可以通过猜测有效的通道 ID 并注入数据包来破坏 CODESYS 产品之间的现有通信通道。这导致通信通道被关闭。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2022-22517
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Same Patch Batch · CODESYS · 2022-04-07 · 7 CVEs total
| CVE-2022-22515 | 8.1 HIGH | A component of the CODESYS Control runtime system allows read and write access to configur |
| CVE-2022-22516 | 7.8 HIGH | CODESYS driver SysDrv3S allows SYSTEM users on Microsoft Windows to read and write in rest |
| CVE-2022-22519 | 7.5 HIGH | Special HTTP(s) Requests can cause a buffer-read causing a crash of the webserver and the |
| CVE-2022-22514 | 7.1 HIGH | Untrusted Pointer Dereference in multiple CODESYS products can lead to a DoS. |
| CVE-2022-22518 | 6.5 MEDIUM | A bug in the CODESYS V3 CmpUserMgr component fails to correctly apply a security policy. |
| CVE-2022-22513 | 6.5 MEDIUM | Null Pointer Dereference in multiple CODESYS products can lead to a DoS. |
IV. Related Vulnerabilities
Same product: CODESYS Control RTE (SL)
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CVE-2026-8047
Out-of-bounds Write in CODESYS Control -
CVE-2026-8046
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CVE-2025-41660
CODESYS Control Boot Application Replacement Enables Code Ex -
CVE-2025-41738
CODESYS Control - Invalid type usage in visualization
Same vendor: CODESYS
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CVE-2026-76992
Uncontrolled Memory Allocation in CODESYS Gateway Client -
CVE-2026-79625
Improper Synchronization in Monitoring in CODESYS Control Ru -
CVE-2026-35226
Out-of-bounds Write in CODESYS PROFINET Controller -
CVE-2026-8047
Out-of-bounds Write in CODESYS Control -
CVE-2026-8046
Incorrect Authorization in CODESYS Control
V. Comments for CVE-2022-22517
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