CVE-2022-30792— CODESYS: CmpChannelServer, CmpChannelServerEmbedded allow unauthenticated attackers to block all their available communication channels
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 3S-Smart Software Solutions CODESYS V3 CmpBlkDrvTcp 存在资源管理错误漏洞，未经授权攻击者利用该漏洞可以阻止新的 TCP 连接。
Possible ATT&CK Techniques 1 AI
T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2022-30792
Vulnerability Information
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Vulnerability Title
CODESYS: CmpChannelServer, CmpChannelServerEmbedded allow unauthenticated attackers to block all their available communication channels
Source: CVE Program / CVE List V5
Vulnerability Description
In CmpChannelServer of CODESYS V3 in multiple versions an uncontrolled ressource consumption allows an unauthorized attacker to block new communication channel connections. Existing connections are not affected.
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
未加控制的资源消耗(资源穷尽)
Source: CVE Program / CVE List V5
Vulnerability Title
3S-Smart Software Solutions CODESYS 资源管理错误漏洞
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 3S-Smart Software Solutions CODESYS V3 CmpBlkDrvTcp 存在资源管理错误漏洞，未经授权攻击者利用该漏洞可以阻止新的 TCP 连接。
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-2022-30792
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2022-30792 (1)
Same Patch Batch · CODESYS · 2022-07-11 · 3 CVEs total
| CVE-2022-30791 | 7.5 HIGH | CODESYS V3: CmpBlkDrvTcp allows unauthenticated attackers to block all its available TCP c |
| CVE-2022-1794 | 5.5 MEDIUM | Plaintext Storage of a password in CODESYS V3 OPC DA Server |
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V. Comments for CVE-2022-30792
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