CVE-2018-20026
published 2019-02-19CVE-2018-20026: Improper Communication Address Filtering exists in CODESYS V3 products versions prior V3.5.14.0.
PriorityP340high7.5CVSS 3.1
AVNACLPRNUINSUCHINAN
EPSS
3.04%
86.0th percentile
Improper Communication Address Filtering exists in CODESYS V3 products versions prior V3.5.14.0.
Affected
18 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| codesys | control_for_beaglebone_sl | >= 3.0 < 3.5.14.0 | 3.5.14.0 |
| codesys | control_for_empc-a_imx6_sl | >= 3.0 < 3.5.14.0 | 3.5.14.0 |
| codesys | control_for_iot2000_sl | >= 3.0 < 3.5.14.0 | 3.5.14.0 |
| codesys | control_for_linux_sl | >= 3.0 < 3.5.14.0 | 3.5.14.0 |
| codesys | control_for_pfc100_sl | >= 3.0 < 3.5.14.0 | 3.5.14.0 |
| codesys | control_for_pfc200_sl | >= 3.0 < 3.5.14.0 | 3.5.14.0 |
| codesys | control_for_raspberry_pi_sl | >= 3.0 < 3.5.14.0 | 3.5.14.0 |
| codesys | control_rte_sl | >= 3.0 < 3.5.14.0 | 3.5.14.0 |
| codesys | control_runtime_toolkit | >= 3.0 < 3.5.14.0 | 3.5.14.0 |
| codesys | control_win_sl | >= 3.0 < 3.5.14.0 | 3.5.14.0 |
| codesys | development_system_v3 | >= 3.0 < 3.5.14.0 | 3.5.14.0 |
| codesys | gateway | >= 3.0 < 3.5.14.0 | 3.5.14.0 |
| codesys | hmi_sl | >= 3.0 < 3.5.14.0 | 3.5.14.0 |
| codesys | opc_server | >= 3.0 < 3.5.14.0 | 3.5.14.0 |
| codesys | plchandler | >= 3.0 < 3.5.14.0 | 3.5.14.0 |
| codesys | safety_sil2 | >= 3.0 < 3.5.14.0 | 3.5.14.0 |
| codesys | targetvisu_sl | >= 3.0 < 3.5.14.0 | 3.5.14.0 |
| kaspersky_lab | codesys_v3_products | — | — |
CVSS provenance
nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
nvdv2.05.0MEDIUMAV:N/AC:L/Au:N/C:P/I:N/A:N
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CISA ICS
CODESYS in Festo Automation Suite
cisa_ics·2026-03-17
CODESYS in Festo Automation Suite
ICS Advisory
##
CODESYS in Festo Automation Suite
Release DateMarch 17, 2026
Alert CodeICSA-26-076-01
Related topics:
Industrial Control System Vulnerabilities, Industrial Control Systems
View CSAF
## Summary
3. TECHNICAL DETAILS
The following versions of CODESYS in Festo Automation Suite are affected:
- FESTO Software Festo Automation Suite (versions prior to 2.8.0.138) installed with CODESYS Software CODESYS Development System (3.0) vers:all/*
- FESTO Software Festo Automation Suite (versions prior to 2.8.0.138) installed with CODESYS Software CODESYS Development System (3.5.16.10) vers:all/*
- FESTO Software Festo Automation Suite (2.8.0.137) installed with CODESYS Software CODESYS Development System (3.0) vers:all/*
- FESTO Software Festo Automation
CISA ICS
Festo Controller CECC-S,-LK,-D Family Firmware (Update A)
cisa_ics·2025-11-13
Festo Controller CECC-S,-LK,-D Family Firmware (Update A)
ICS Advisory
##
Festo Controller CECC-S,-LK,-D Family Firmware (Update A)
Last RevisedNovember 13, 2025
Alert CodeICSA-25-273-04
Related topics:
Industrial Control System Vulnerabilities, Industrial Control Systems
View CSAF
## 1. EXECUTIVE SUMMARY
- CVSS v3 9.8
- ATTENTION: Exploitable remotely/low attack complexity
- Vendor: Festo
- Equipment: Controller CECC-S,-LK,-D Family Firmware
- Vulnerabilities: Exposure of Resource to Wrong Sphere, Untrusted Pointer Dereference, NULL Pointer Dereference, Files or Directories Accessible to External Parties, Out-of-bounds Write, Improper Privilege Management, Incorrect Permission Assignment for Critical Resource, Buffer Copy without Checking Size of Input ('Classic Buffer Overflow'), Missing Release of Memory afte
CISA ICS
3S-Smart Software Solutions GmbH CODESYS V3 Products
cisa_ics·2018-12-18
3S-Smart Software Solutions GmbH CODESYS V3 Products
## Archived Content In an effort to keep CISA.gov current, the archive contains outdated information that may not reflect current policy or programs.
ICS Advisory
##
3S-Smart Software Solutions GmbH CODESYS V3 Products
Last RevisedDecember 18, 2018
Alert CodeICSA-18-352-04
## 1. EXECUTIVE SUMMARY
-
CVSS v3 9.4
- ATTENTION: Exploitable remotely/low skill level to exploit
- Vendor: 3S-Smart Software Solutions GmbH
- Equipment: CODESYS V3 products
- Vulnerabilities: Use of Insufficiently Random Values, Improper Restriction of Communication Channel to Intended Endpoints
## 2. RISK EVALUATION
Successful exploitation of these vulnerabilities could allow a remote attacker to disguise the source of malicious communication packets and also expl
GHSA
GHSA-mxhm-4cg3-5h2j: Improper Communication Address Filtering exists in CODESYS V3 products versions prior V3
ghsa_unreviewed·2022-05-13
CVE-2018-20026 [HIGH] GHSA-mxhm-4cg3-5h2j: Improper Communication Address Filtering exists in CODESYS V3 products versions prior V3
Improper Communication Address Filtering exists in CODESYS V3 products versions prior V3.5.14.0.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
http://www.securityfocus.com/bid/106251https://ics-cert.kaspersky.com/advisories/klcert-advisories/2018/12/19/klcert-18-036-codesys-control-v3-improper-communication-address-filtering/https://ics-cert.us-cert.gov/advisories/ICSA-18-352-04http://www.securityfocus.com/bid/106251https://ics-cert.kaspersky.com/advisories/klcert-advisories/2018/12/19/klcert-18-036-codesys-control-v3-improper-communication-address-filtering/https://ics-cert.us-cert.gov/advisories/ICSA-18-352-04
2019-02-19
Published