CVE-2020-7052
MEDIUMCVSS 6.5/10EPSS 1.88%
Last modified
CVE-2020-7052 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. CODESYS Control V3, Gateway V3, and HMI V3 before 3.5.15.30 allow uncontrolled memory allocation which can result in a remote denial of service condition.. EPSS estimates a 1.88% chance of exploitation in the next 30 days.
Description
CODESYS Control V3, Gateway V3, and HMI V3 before 3.5.15.30 allow uncontrolled memory allocation which can result in a remote denial of service condition.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Codesys | Control For Beaglebone | < 3.5.15.30 |
| Codesys | Control For Empc-A\/Imx6 | < 3.5.15.30 |
| Codesys | Control For Iot2000 | < 3.5.15.30 |
| Codesys | Control For Linux | < 3.5.15.30 |
| Codesys | Control For Pfc100 | < 3.5.15.30 |
| Codesys | Control For Pfc200 | < 3.5.15.30 |
| Codesys | Control For Plcnext | < 3.5.15.30 |
| Codesys | Control For Raspberry Pi | < 3.5.15.30 |
| Codesys | Control Rte | >= 3.5.8.60, < 3.5.15.30 |
| Codesys | Control Runtime System Toolkit | >= 3.0, < 3.5.15.30 |
| Codesys | Control Win | >= 3.5.9.80, < 3.5.15.30 |
| Codesys | Gateway | >= 3.5.15.10, < 3.5.15.30 |
| Codesys | Hmi | >= 3.5.10.0, < 3.5.15.30 |
| Codesys | Safety Sil2 | >= 3.0, < 3.5.15.30 |
| Codesys | Simulation Runtime | >= 3.5.9.40, < 3.5.15.30 |
References
- https://www.tenable.com/security/research/tra-2020-04Exploit, Third Party Advisory
- https://www.tenable.com/security/research/tra-2020-04Exploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-7052?
CODESYS Control V3, Gateway V3, and HMI V3 before 3.5.15.30 allow uncontrolled memory allocation which can result in a remote denial of service condition.
How severe is CVE-2020-7052?
CVE-2020-7052 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 1.88% probability of exploitation in the next 30 days.
How do I fix CVE-2020-7052?
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.
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Are you affected by CVE-2020-7052?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST