CVE-2023-3669

Name: CVE-2023-3669
Creator: NVD / NIST
Published: 2023-08-03T12:15:11.067+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

LOWCVSS 3.3/10EPSS 0.14%

Last modified Jun 17, 2026

CVE-2023-3669 is a low-severity vulnerability rated 3.3/10 on the CVSS scale. A missing Brute-Force protection in CODESYS Development System prior to 3.5.19.20 allows a local attacker to have unlimited attempts of guessing the password within an import dialog.. EPSS estimates a 0.14% chance of exploitation in the next 30 days.

Description

A missing Brute-Force protection in CODESYS Development System prior to 3.5.19.20 allows a local attacker to have unlimited attempts of guessing the password within an import dialog.

Metrics

CVSS 3.1

3.3/10

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

EPSS Probability

0.14%

3.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Codesys	Development System	< 3.5.19.20

References

https://cert.vde.com/en/advisories/VDE-2023-023Third Party Advisory
https://cert.vde.com/en/advisories/VDE-2023-023Third Party Advisory

Timeline

Published: Aug 3, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-3669?

A missing Brute-Force protection in CODESYS Development System prior to 3.5.19.20 allows a local attacker to have unlimited attempts of guessing the password within an import dialog.

How severe is CVE-2023-3669?

CVE-2023-3669 has a CVSS score of 3.3/10 (LOW severity). The EPSS model estimates a 0.14% probability of exploitation in the next 30 days.

How do I fix CVE-2023-3669?

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-2023-3669?

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

Scan your code now

Source: NVD / NIST