CVE-2018-20026
Improper Communication Address Filtering exists in CODESYS V3 products versions prior V3.5.14.0.
Improper Communication Address Filtering exists in CODESYS V3 products versions prior V3.5.14.0.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
Improper Communication Address Filtering exists in CODESYS V3 products versions prior V3.5.14.0.
- Record
CVE-2018-20026- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Updated
- 2026-11-02
CVE List No score
Improper Communication Address Filtering exists in CODESYS V3 products versions prior V3.5.14.0.
- Record
CVE-2018-20026- Updated
- 2026-11-02
EUVDEUVD-2018-12604 No score
Improper Communication Address Filtering exists in CODESYS V3 products versions prior V3.5.14.0.
- Record
EUVD-2018-12604- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-mxhm-4cg3-5h2j
Improper Communication Address Filtering exists in CODESYS V3 products versions prior V3.5.14.0.
Improper Communication Address Filtering exists in CODESYS V3 products versions prior V3.5.14.0.
- Record
GHSA-mxhm-4cg3-5h2j- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
Affected products
- kaspersky lab codesys v3 products
- codesys control for beaglebone sl
- codesys control for empc-a\/imx6 sl
- codesys control for iot2000 sl
- codesys control for linux sl
- codesys control for pfc100 sl
- codesys control for pfc200 sl
- codesys control for raspberry pi sl
- codesys control rte sl
- codesys control rte sl \(for beckhoff cx\)
- codesys control runtime toolkit
- codesys control win sl
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-20026 is a high vulnerability (CVSS 7.5) in Kaspersky Lab Codesys V3 Products, published February 19, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.35%, the 88th percentile. No source names a fixed version.