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CVE-2022-30791

CODESYS V3: CmpBlkDrvTcp allows unauthenticated attackers to block all its available TCP connections

Published: Jul 11, 2022Updated: Nov 21, 2024 Sources: CVE List NVD csafCWE-400
7.5HIGH
NVD MITRE
EPSS Score
0.8%
Top 49.2%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

Description

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 summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-400

Affected Products

CODESYS
oss-project·DEaka codesys gmbh
CODESYS Control RTE (SL)
ICS / OT / IoT
CODESYS Control RTE (for Beckhoff CX) SL
ICS / OT / IoT
CODESYS Control Win (SL)
ICS / OT / IoT
CODESYS Gateway
ICS / OT / IoT
CODESYS Edge Gateway for Windows
ICS / OT / IoT
CODESYS HMI (SL)
ICS / OT / IoT
CODESYS Development System V3
ICS / OT / IoT
CODESYS Control Runtime System Toolkit
ICS / OT / IoT
and 32 more affected products View all →

Exploitability

Official Patch Available
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Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

1 technique
Impact
View detailed technique mapping

References

https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=17128&token=bee4d8a57f19be289d623ec90135493b5f9179e3&download=
customers.codesys.com
https://festo.csaf-tp.certvde.com/.well-known/csaf/white/2026/fsa-202601.json
festo.csaf-tp.certvde.com
https://certvde.com/en/advisories/vendor/festo/
certvde.com
and 226 more references View all →

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