Vulnerability Intelligence Report
CODESYS V3: CmpBlkDrvTcp allows unauthenticated attackers to block all its available TCP connections
CVE-2022-30791
In CmpBlkDrvTcp of CODESYS V3 in multiple versions an uncontrolled ressource consumption allows an unauthorized attacker to block new TCP connections. Existing connections are not affected.
No Active Exploit Signals
CVSS Base Score
7.5
HIGH
Exploitability:3.9
Impact Score:3.6
EPSS Probability:0.76%
Executive Threat Verdict
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Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
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Authentication
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Weaponization
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SSVC Action
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Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| No affected products specified. | ||
Threat Intelligence Signals
EPSS Score
0.763%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | CERT@VDE · CERT · Germany |
| Reserved | 2022-05-16T00:00:00 |
| Published | 2022-07-11T10:40:38 |
| Patch Date | 2022-07-08 |
| Last Updated | 2024-09-16T16:48:31 |
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