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CVE-2023-5751

CODESYS: Development system prone to DoS through exposure of resource to wrong sphere

HIGH
7.8
CVSS Score
Published: June 4, 2024 at 08:54 AM UTC
Updated: June 17, 2026 at 06:49 AM UTC
5 products affected across 1 vendorControl Win (SL)HMI (SL)Development System V3

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Severity
HIGH7.8
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

A local attacker with low privileges can read and modify any users files and cause a DoS in the working directory of the affected products due to exposure of resource to wrong sphere.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Control Win (SL)· Codesys
60%
v < 3.5.20.10
Affected range stops below 3.5.20.10, so it looks safe — our inference, not a vendor statement
Development System V3· Codesys
60%
v < 3.5.20.10
Affected range stops below 3.5.20.10, so it looks safe — our inference, not a vendor statement
Edge Gateway· Codesys
60%
v < 3.5.20.10
Affected range stops below 3.5.20.10, so it looks safe — our inference, not a vendor statement
Gateway· Codesys
60%
v < 3.5.20.10
Affected range stops below 3.5.20.10, so it looks safe — our inference, not a vendor statement
HMI (SL)· Codesys
60%
v < 3.5.20.10
Affected range stops below 3.5.20.10, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

Source: [email protected]
https://cert.vde.com/en/advisories/VDE-2024-027
Source: [email protected]
https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=18354&token=f3e92a942c3a2f90c272a5ded7598c6a0b5f4924&download=

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.8HIGHCERTVDE
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-668

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