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CVE-2022-47389

CODESYS: Multiple products prone to stack based out-of-bounds write

HIGH
8.8
CVSS Score
Published: May 15, 2023 at 09:57 AM UTC
Updated: June 17, 2026 at 05:13 AM UTC
17 products affected across 1 vendorControl for emPC-A/iMX6 SLControl for BeagleBone SLControl for PFC100 SL

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Severity
HIGH8.8
Exploit prediction
EPSS 1%
SSVC
No known exploit

Description

An authenticated, remote attacker may use a stack based out-of-bounds write vulnerability in the CmpTraceMgr Component of multiple CODESYS products in multiple versions to write data into the stack which can lead to a denial-of-service condition, memory overwriting, or remote code execution.

Affected

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

Control for BeagleBone SL· Codesys
95%
v < 4.8.0.0V0.0.0.0 ≤ v < V4.8.0.00.0.0.0
Affected range stops below 4.8.0.0, so it looks safe — our inference, not a vendor statement
Affected range stops below V4.8.0.0, so it looks safe — our inference, not a vendor statement
Control for emPC-A/iMX6 SL· Codesys
95%
v < 4.8.0.0V0.0.0.0 ≤ v < V4.8.0.00.0.0.0
Affected range stops below 4.8.0.0, so it looks safe — our inference, not a vendor statement
Affected range stops below V4.8.0.0, so it looks safe — our inference, not a vendor statement
Control for IOT2000 SL· Codesys
95%
v < 4.8.0.0V0.0.0.0 ≤ v < V4.8.0.00.0.0.0
Affected range stops below 4.8.0.0, so it looks safe — our inference, not a vendor statement
Affected range stops below V4.8.0.0, so it looks safe — our inference, not a vendor statement
Control for Linux SL· Codesys
95%
v < 4.8.0.0V0.0.0.0 ≤ v < V4.8.0.00.0.0.0
Affected range stops below 4.8.0.0, so it looks safe — our inference, not a vendor statement
Affected range stops below V4.8.0.0, so it looks safe — our inference, not a vendor statement
Control for PFC100 SL· Codesys
95%
v < 4.8.0.0V0.0.0.0 ≤ v < V4.8.0.00.0.0.0
Affected range stops below 4.8.0.0, so it looks safe — our inference, not a vendor statement
Affected range stops below V4.8.0.0, so it looks safe — our inference, not a vendor statement
Control for PFC200 SL· Codesys
95%
v < 4.8.0.0V0.0.0.0 ≤ v < V4.8.0.00.0.0.0
Affected range stops below 4.8.0.0, so it looks safe — our inference, not a vendor statement
Affected range stops below V4.8.0.0, so it looks safe — our inference, not a vendor statement
Control for PLCnext SL· Codesys
95%
v < 4.8.0.0V0.0.0.0 ≤ v < V4.8.0.00.0.0.0
Affected range stops below 4.8.0.0, so it looks safe — our inference, not a vendor statement
Affected range stops below V4.8.0.0, so it looks safe — our inference, not a vendor statement
Control for Raspberry Pi SL· Codesys
95%
v < 4.8.0.0V0.0.0.0 ≤ v < V4.8.0.00.0.0.0
Affected range stops below 4.8.0.0, so it looks safe — our inference, not a vendor statement
Affected range stops below V4.8.0.0, so it looks safe — our inference, not a vendor statement
Control for WAGO Touch Panels 600 SL· Codesys
95%
v < 4.8.0.0V0.0.0.0 ≤ v < V4.8.0.00.0.0.0
Affected range stops below 4.8.0.0, so it looks safe — our inference, not a vendor statement
Affected range stops below V4.8.0.0, so it looks safe — our inference, not a vendor statement
Control RTE (SL)· Codesys
95%
v < 3.5.19.0V0.0.0.0 ≤ v < V3.5.19.00.0.0.0
Affected range stops below 3.5.19.0, so it looks safe — our inference, not a vendor statement
Affected range stops below V3.5.19.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor Advisory
Source: [email protected]
https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=17554&token=5444f53b4c90fe37043671a100dffa75305d1825&download=

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

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

CVSS

8.8HIGHCERTVDE
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-787

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