CVE-2019-16265

Name: CVE-2019-16265
Creator: NVD / NIST
Published: 2019-10-25T17:15:10.93+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.64%

Last modified Jun 17, 2026

CVE-2019-16265 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. CODESYS V2.3 ENI server up to V3.2.2.24 has a Buffer Overflow.. EPSS estimates a 1.64% chance of exploitation in the next 30 days.

Description

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

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

1.64%

73.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-787

Affected Software

Vendor	Product	Versions
Codesys	Eni Server	< 3.2.2.25
Codesys	Codesys	>= 2.3, < 2.3.9.61

References

https://customers.codesys.com/fileadmin/data/customers/security/2019/Advisory2019-09_LCDS-319.pdfVendor Advisory
https://www.codesys.comVendor Advisory
https://customers.codesys.com/fileadmin/data/customers/security/2019/Advisory2019-09_LCDS-319.pdfVendor Advisory
https://www.codesys.comVendor Advisory

Timeline

Published: Oct 25, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-16265?

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

How severe is CVE-2019-16265?

CVE-2019-16265 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.64% probability of exploitation in the next 30 days.

How do I fix CVE-2019-16265?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-16265?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST