What’s Vulnerable › Vulnerabilities

CVE-2019-16265

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-10-25 · updated 2026-06-17
• Weakness: CWE-787

Description

CODESYS V2.3 ENI server up to V3.2.2.24 has a Buffer Overflow.

Affected products

• CODESYS: from 2.3 before 2.3.9.61 — fixed in 2.3.9.61
• CODESYS Eni Server: before 3.2.2.25 — fixed in 3.2.2.25

How to fix

Upgrade to a fixed version: CODESYS 2.3.9.61; CODESYS Eni Server 3.2.2.25. Check the vendor advisory for mitigations.

References

• https://customers.codesys.com/fileadmin/data/customers/security/2019/Advisory2019-09_LCDS-319.pdf
• https://www.codesys.com
• https://customers.codesys.com/fileadmin/data/customers/security/2019/Advisory2019-09_LCDS-319.pdf
• https://www.codesys.com

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