CVE-2018-20026
HIGHCVSS 7.5/10EPSS 3.04%
Last modified
CVE-2018-20026 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Improper Communication Address Filtering exists in CODESYS V3 products versions prior V3.5.14.0.. EPSS estimates a 3.04% chance of exploitation in the next 30 days.
Description
Improper Communication Address Filtering exists in CODESYS V3 products versions prior V3.5.14.0.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Codesys | Control For Beaglebone Sl | >= 3.0, < 3.5.14.0 |
| Codesys | Control For Empc-A\/Imx6 Sl | >= 3.0, < 3.5.14.0 |
| Codesys | Control For Iot2000 Sl | >= 3.0, < 3.5.14.0 |
| Codesys | Control For Linux Sl | >= 3.0, < 3.5.14.0 |
| Codesys | Control For Pfc100 Sl | >= 3.0, < 3.5.14.0 |
| Codesys | Control For Pfc200 Sl | >= 3.0, < 3.5.14.0 |
| Codesys | Control For Raspberry Pi Sl | >= 3.0, < 3.5.14.0 |
| Codesys | Control Rte Sl | >= 3.0, < 3.5.14.0 |
| Codesys | Control Rte Sl \(For Beckhoff Cx\) | >= 3.0, < 3.5.14.0 |
| Codesys | Control Runtime Toolkit | >= 3.0, < 3.5.14.0 |
| Codesys | Control Win Sl | >= 3.0, < 3.5.14.0 |
| Codesys | Development System V3 | >= 3.0, < 3.5.14.0 |
| Codesys | Gateway | >= 3.0, < 3.5.14.0 |
| Codesys | Hmi Sl | >= 3.0, < 3.5.14.0 |
| Codesys | Opc Server | >= 3.0, < 3.5.14.0 |
| Codesys | Plchandler | >= 3.0, < 3.5.14.0 |
| Codesys | Safety Sil2 | >= 3.0, < 3.5.14.0 |
| Codesys | Targetvisu Sl | >= 3.0, < 3.5.14.0 |
References
- http://www.securityfocus.com/bid/106251Broken Link, Third Party Advisory, VDB Entry
- https://ics-cert.us-cert.gov/advisories/ICSA-18-352-04Third Party Advisory, US Government Resource
- http://www.securityfocus.com/bid/106251Broken Link, Third Party Advisory, VDB Entry
- https://ics-cert.us-cert.gov/advisories/ICSA-18-352-04Third Party Advisory, US Government Resource
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2018-20026?
Improper Communication Address Filtering exists in CODESYS V3 products versions prior V3.5.14.0.
How severe is CVE-2018-20026?
CVE-2018-20026 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 3.04% probability of exploitation in the next 30 days.
How do I fix CVE-2018-20026?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2018
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- CVE-2018-20022LibVNC before 2f5b2ad1c6c99b1ac6482c95844a84d66bb52838 conta…
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Are you affected by CVE-2018-20026?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST