CVE-2019-18858

high-risk
Published 2019-11-20

CODESYS 3 web server before 3.5.15.20, as distributed with CODESYS Control runtime systems, has a Buffer Overflow.

Do I need to act?

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0.41% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (14)

Control For Beaglebone
Control For Empc-A\/Imx6
Control For Iot2000
Control For Linux
Control For Pfc100
Control For Pfc200
Control For Plcnext
Control For Raspberry Pi
Control Rte
Control Win
Embedded Target Visu Toolkit
Hmi
Remote Target Visu Toolkit

Affected Vendors

Codesys

References (4)

Vendor Advisory https://customers.codesys.com/fileadmin/data/customers/security/2019/Advisory201...
Exploit https://www.tenable.com/security/research/tra-2019-48
Vendor Advisory https://customers.codesys.com/fileadmin/data/customers/security/2019/Advisory201...
Exploit https://www.tenable.com/security/research/tra-2019-48
52
/ 100
high-risk
Severity 32/34 · Critical
Exploitability 2/34 · Minimal
Exposure 18/34 · Moderate