CVE-2019-9012

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.

Published: 2019-08-15 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2019-9012 is rated Moderate Risk (42.1/100): CVSS High severity, with low exploitation likelihood (EPSS 0.14%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2019-9012

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-02-18 0.28% 0.14% -0.14%
2 2025-07-19 0.37% 0.28% -0.09%
3 2025-03-30 — 0.37% —

Full EPSS history (12 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2019-9012

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 3.6 [email protected]
7.8 2.0 HIGH
AV:N/AC:L/Au:N/C:N/I:N/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:C)
Complete availability impact.
 10.0 6.9 [email protected]

Weakness enumeration for CVE-2019-9012

Affected software / configurations for CVE-2019-9012

Vendor Product Version Raw CPE
codesys control_for_beaglebone_sl >= 3.0, < 3.5.14.20 cpe:2.3:a:codesys:control_for_beaglebone_sl:*:*:*:*:*:*:*:*
codesys control_for_empc-a\/imx6_sl >= 3.0, < 3.5.14.20 cpe:2.3:a:codesys:control_for_empc-a\/imx6_sl:*:*:*:*:*:*:*:*
codesys control_for_iot2000_sl >= 3.0, < 3.5.14.20 cpe:2.3:a:codesys:control_for_iot2000_sl:*:*:*:*:*:*:*:*
codesys control_for_linux_sl >= 3.0, < 3.5.14.20 cpe:2.3:a:codesys:control_for_linux_sl:*:*:*:*:*:*:*:*
codesys control_for_pfc100_sl >= 3.0, < 3.5.14.20 cpe:2.3:a:codesys:control_for_pfc100_sl:*:*:*:*:*:*:*:*
codesys control_for_pfc200_sl >= 3.0, < 3.5.14.20 cpe:2.3:a:codesys:control_for_pfc200_sl:*:*:*:*:*:*:*:*
codesys control_for_raspberry_pi_sl >= 3.0, < 3.5.14.20 cpe:2.3:a:codesys:control_for_raspberry_pi_sl:*:*:*:*:*:*:*:*
codesys control_runtime_toolkit >= 3.0, < 3.5.14.20 cpe:2.3:a:codesys:control_runtime_toolkit:*:*:*:*:*:*:*:*
codesys development_system >= 3.0, < 3.5.14.20 cpe:2.3:a:codesys:development_system:*:*:*:*:*:*:*:*
codesys gateway >= 3.0, < 3.5.14.20 cpe:2.3:a:codesys:gateway:*:*:*:*:*:*:*:*

References for CVE-2019-9012

cvelogic Threat Intelligence