vulntracker.iovulntracker.io
© 2026 vulntracker.io

CVE-2022-47391

CODESYS: Multiple products prone to Improper Input Validation

HIGH
7.5
CVSS Score
Published: May 15, 2023 at 09:59 AM UTC
Updated: June 17, 2026 at 05:13 AM UTC
19 products affected across 1 vendorControl for emPC-A/iMX6 SLControl for BeagleBone SLControl for PFC100 SL

Using CODESYS Control RTE (SL) by CODESYS?

Get instant alerts when new vulnerabilities affect CODESYS Control RTE (SL) - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Start FreeSign In
Severity
HIGH7.5
Exploit prediction
EPSS 2%
SSVC
No known exploit

Description

In multiple CODESYS products in multiple versions an unauthorized, remote attacker may use a improper input validation vulnerability to read from invalid addresses leading to a denial of service.

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=17555&token=212fc7e39bdd260cab6d6ca84333d42f50bcb3da&download=

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

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

CVSS

7.5HIGHCERTVDE
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-20

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Create accountSign in
Free plan, no card