Critical severity9.8NVD Advisory· Published Nov 20, 2019· Updated Jun 17, 2026
CVE-2019-18858
CVE-2019-18858
Description
CODESYS 3 web server before 3.5.15.20, as distributed with CODESYS Control runtime systems, has a Buffer Overflow.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
16- cpe:2.3:a:codesys:control_for_beaglebone:*:*:*:*:*:*:*:*Range: <3.5.15.20
- cpe:2.3:a:codesys:control_for_empc-a\/imx6:*:*:*:*:*:*:*:*Range: <3.5.15.20
- cpe:2.3:a:codesys:control_for_raspberry_pi:*:*:*:*:*:*:*:*Range: <3.5.15.20
- cpe:2.3:a:codesys:control_runtime_system_toolkit:*:*:*:*:*:*:*:*Range: <3.5.15.20
- cpe:2.3:a:codesys:embedded_target_visu_toolkit:*:*:*:*:*:*:*:*Range: <3.5.15.20
- cpe:2.3:a:codesys:remote_target_visu_toolkit:*:*:*:*:*:*:*:*Range: <3.5.15.20
- CODESYS/CODESYS 3 web serverdescription
- Range: <3.5.15.20
Patches
Vulnerability mechanics
References
2- www.tenable.com/security/research/tra-2019-48nvdExploitThird Party Advisory
- customers.codesys.com/fileadmin/data/customers/security/2019/Advisory2019-10_CDS-68341.pdfnvdVendor Advisory
News mentions
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