CVE-2019-9009

An issue was discovered in 3S-Smart CODESYS before 3.5.15.0 . Crafted network packets cause the Control Runtime to crash.

Published: 2019-09-17 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2019-9009 is rated Moderate Risk (57.3/100): CVSS High severity, with medium exploitation likelihood (EPSS 1.70%). Core evidence: EPSS rose +1.39% over the last day, indicating growing attacker interest. Mandatory action: 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-2019-9009

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 2026-06-15 0.31% 1.70% +1.39%
2 2026-02-18 0.38% 0.31% -0.07%
3 2025-07-19 0.38%

Full EPSS history (12 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2019-9009

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]
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P 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:P)
Partial availability impact.
10.0 2.9 [email protected]

Weakness enumeration for CVE-2019-9009

Affected software / configurations for CVE-2019-9009

Vendor Product Version Raw CPE
codesys control_for_beaglebone < 3.5.15.0 cpe:2.3:a:codesys:control_for_beaglebone:*:*:*:*:*:*:*:*
codesys control_for_empc-a\/imx6 < 3.5.15.0 cpe:2.3:a:codesys:control_for_empc-a\/imx6:*:*:*:*:*:*:*:*
codesys control_for_iot2000 < 3.5.15.0 cpe:2.3:a:codesys:control_for_iot2000:*:*:*:*:*:*:*:*
codesys control_for_pfc100 < 3.5.15.0 cpe:2.3:a:codesys:control_for_pfc100:*:*:*:*:*:*:*:*
codesys control_for_pfc200 < 3.5.15.0 cpe:2.3:a:codesys:control_for_pfc200:*:*:*:*:*:*:*:*
codesys control_for_raspberry_pi < 3.5.15.0 cpe:2.3:a:codesys:control_for_raspberry_pi:*:*:*:*:*:*:*:*
codesys control_rte < 3.5.15.0 cpe:2.3:a:codesys:control_rte:*:*:*:*:*:*:*:*
codesys control_win < 3.5.15.0 cpe:2.3:a:codesys:control_win:*:*:*:*:*:*:*:*
codesys gateway < 3.5.15.0 cpe:2.3:a:codesys:gateway:*:*:*:*:*:*:*:*
codesys hmi < 3.5.15.0 cpe:2.3:a:codesys:hmi:*:*:*:*:*:*:*:*
codesys linux < 3.5.15.0 cpe:2.3:a:codesys:linux:*:*:*:*:*:*:*:*
codesys runtime_system_toolkit < 3.5.15.0 cpe:2.3:a:codesys:runtime_system_toolkit:*:*:*:*:*:*:*:*
codesys safety_sil2 < 3.5.15.0 cpe:2.3:a:codesys:safety_sil2:*:*:*:*:*:*:*:*
codesys simulation_runtime < 3.5.15.0 cpe:2.3:a:codesys:simulation_runtime:*:*:*:*:*:*:*:*

References for CVE-2019-9009

cvelogic Threat Intelligence