CVE-2019-19789

6.5 mediumEPSS 1.2%

Medium (6.5) in codesys. EPSS 1.2% chance of exploitation in the next 30 days.

3S-Smart CODESYS SP Realtime NT before V2.3.7.28, CODESYS Runtime Toolkit 32 bit full before V2.4.7.54, and CODESYS PLCWinNT before V2.4.7.54 allow a NULL pointer dereference.

Severity

CVSS 3.1

6.5 medium

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS: 1.2% chance of exploitation in the next 30 days; higher than 68% of CVEs (scores of 2026-10-31)
CWE: CWE-476
Published: 2019-12-20
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

codesys:plcwinnt
codesys:runtime_toolkit
codesys:sp_realtime_nt

References

https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=12946&token=edd5d8e821edaf3189d36bb1cac1aa1bfc42351f&download=
https://www.codesys.com
https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=12946&token=edd5d8e821edaf3189d36bb1cac1aa1bfc42351f&download=
https://www.codesys.com

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