CVE-2020-15806

Home/CVE/CODESYS Control runtime system before 3.5.16.10 allows Uncontrolled Memory Allocation.

CVE

CODESYS Control runtime system before 3.5.16.10 allows Uncontrolled Memory Allocation.

HIGH · CVSS 7.5 EPSS 0.00464

Act now

Public exploit or PoC is available
CVSS base score ≥ 7.0

Sigma rules0 YARA rules0

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Weakness Classification

CWE-401Missing Release of Memory after Effective Lifetime

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Affected Products & Versions

codesys control for beaglebone< 3.5.16.10
codesys control for empc-a\/imx6< 3.5.16.10
codesys control for iot2000< 3.5.16.10
codesys control for linux< 3.5.16.10
codesys control for pfc100< 3.5.16.10
codesys control for pfc200< 3.5.16.10
codesys control for plcnext< 3.5.16.10
codesys control for raspberry pi< 3.5.16.10
Show all 16 affected productscodesys control for wago touch panels 600< 3.5.16.10
codesys control rte>= 3.5.8.60 and < 3.5.16.10
codesys control runtime system toolkit>= 3.0 and < 3.5.16.10
codesys control win>= 3.5.9.80 and < 3.5.16.10
codesys embedded target visu toolkit>= 3.0 and < 3.5.16.10
codesys hmi>= 3.5.10.0 and < 3.5.16.10
codesys remote target visu toolkit>= 3.0 and < 3.5.16.10
codesys simulation runtime>= 3.5.9.40 and < 3.5.16.10

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Public Exploits & PoCs

pocwww.tenable.com · tra-2020-46www.tenable.com

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Scoring & Timeline

7.5

HIGH · CVSS v3.1 · cve@mitre.org

View on NVD

Attack Vector

Network Adjacent Local Physical

Attack Complexity

Low High

Privileges Required

None Low High

User Interaction

None Required

Scope

Unchanged Changed

Confidentiality

None Low High

Integrity

None Low High

Availability

None Low High

Published to NVD22 Jul 2020 · 07:15 PM

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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Vendor Advisories

cisa-csafcisa-csaf-csaf_files-OT-white-2025-icsa-25-273-04

cisa-csafcisa-csaf-csaf_files-OT-white-2026-icsa-26-076-01

🔗

References & Sources

Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.

https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=13199&token=3e283c3e73fed61f7c181a7fa1169477efaf0c58&download=MitigationVendor Advisory

https://www.codesys.comVendor Advisory

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