Home/CVE/An issue was discovered in 3S-Smart CODESYS V3 products. A crafted communication request may cause uncontrolled memory a
CVE

CVE-2019-9012

An issue was discovered in 3S-Smart CODESYS V3 products. A crafted communication request may cause uncontrolled memory a

An issue was discovered in 3S-Smart CODESYS V3 products. A crafted communication request may cause uncontrolled memory allocations in the affected CODESYS products and may result in a denial-of-service condition. All variants of the following CODESYS V3 products in all versions prior to v3.5.14.20 that contain the CmpGateway component are affected, regardless of the CPU type or operating system: CODESYS Control for BeagleBone, CODESYS Control for emPC-A/iMX6, CODESYS Control for IOT2000, CODESYS Control for Linux, CODESYS Control for PFC100, CODESYS Control for PFC200, CODESYS Control for Raspberry Pi, CODESYS Control V3 Runtime System Toolkit, CODESYS Gateway V3, CODESYS V3 Development System.

HIGH · CVSS 7.5 EPSS 0.00145
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules1 YARA rules0
⬡

Weakness Classification

CWE-770Allocation of Resources Without Limits or Throttling
▤

Affected Products & Versions

10
codesys control for beaglebone sl>= 3.0 and < 3.5.14.20
codesys control for empc-a\/imx6 sl>= 3.0 and < 3.5.14.20
codesys control for iot2000 sl>= 3.0 and < 3.5.14.20
codesys control for linux sl>= 3.0 and < 3.5.14.20
codesys control for pfc100 sl>= 3.0 and < 3.5.14.20
codesys control for pfc200 sl>= 3.0 and < 3.5.14.20
codesys control for raspberry pi sl>= 3.0 and < 3.5.14.20
codesys control runtime toolkit>= 3.0 and < 3.5.14.20
◈

Sigma Hunt Rules

1
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
productmediumAzure Application Gateway Modified or Deleted
▣

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 NVD15 Aug 2019 · 06:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
⚑

Vendor Advisories

3
cisa-csafcisa-csaf-csaf_files-OT-white-2019-icsa-19-213-03
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

2
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=12938&token=b9eb30f53246dc57b2e7cb302356a05547148fa2&download=Vendor Advisory
https://www.us-cert.gov/ics/advisories/icsa-19-213-03Third Party AdvisoryUS Government Resource
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