CVE-2022-22508: CODESYS V3: Improper Input Validation

Severity: medium (CVSS 4.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-05-15 · updated 2026-06-17
Weakness: CWE-20

Description

Improper Input Validation vulnerability in multiple CODESYS V3 products allows an authenticated remote attacker to block consecutive logins of a specific type.

Affected products

CODESYS Control for BeagleBone SL: before 4.7.0.0 — fixed in 4.7.0.0
CODESYS Control For Empc-A/Imx6 Sl: before 4.7.0.0 — fixed in 4.7.0.0
CODESYS Control for IOT2000 SL: before 4.7.0.0 — fixed in 4.7.0.0
CODESYS Control for Linux SL: before 4.7.0.0 — fixed in 4.7.0.0
CODESYS Control for PFC100 SL: before 4.7.0.0 — fixed in 4.7.0.0
CODESYS Control for PFC200 SL: before 4.7.0.0 — fixed in 4.7.0.0
CODESYS Control for PLCnext SL: before 4.7.0.0 — fixed in 4.7.0.0
CODESYS Control for Raspberry Pi SL: before 4.7.0.0 — fixed in 4.7.0.0
CODESYS Control for WAGO Touch Panels 600 SL: before 4.7.0.0 — fixed in 4.7.0.0
CODESYS Control Rte (For Beckhoff Cx) Sl: before 3.5.18.40 — fixed in 3.5.18.40
CODESYS Control Rte (Sl): before 3.5.18.40 — fixed in 3.5.18.40
CODESYS Control Runtime System Toolkit: before 3.5.18.40 — fixed in 3.5.18.40
CODESYS Control Win (Sl): before 3.5.18.40 — fixed in 3.5.18.40
CODESYS Hmi (Sl): before 3.5.18.40 — fixed in 3.5.18.40

How to fix

Upgrade to a fixed version: CODESYS Control for BeagleBone SL 4.7.0.0; CODESYS Control For Empc-A/Imx6 Sl 4.7.0.0; CODESYS Control for IOT2000 SL 4.7.0.0; CODESYS Control for Linux SL 4.7.0.0; CODESYS Control for PFC100 SL 4.7.0.0; CODESYS Control for PFC200 SL 4.7.0.0; CODESYS Control for PLCnext SL 4.7.0.0; CODESYS Control for Raspberry Pi SL 4.7.0.0; CODESYS Control for WAGO Touch Panels 600 SL 4.7.0.0; CODESYS Control Rte (For Beckhoff Cx) Sl 3.5.18.40; CODESYS Control Rte (Sl) 3.5.18.40; CODESYS Control Runtime System Toolkit 3.5.18.40. Check the vendor advisory for mitigations.

References

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