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TI-2023-03426 Aliases CVE-2023-3669GHSA-gwpm-jp9f-hxfg

CODESYS: Missing Brute-Force protection in CODESYS Development System

Priority LOW 15CWE-307Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
Low · None · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-307.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00149 4th percentileScored 2026-11-07
Fix Fixed CODESYS Development System (CODESYS): 3.5.19.20

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
CODESYSCODESYS Development System3.0.0.0 to before 3.5.19.203.5.19.20Patch availableCNA
  • CODESYS Development System VendorCODESYS Affected 3.0.0.0 to before 3.5.19.20 Fixed in 3.5.19.20 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:codesys:development_system:*:*:*:*:*:*:*:*before 3.5.19.20VulnerableCODESYS
  • cpe:2.3:a:codesys:development_system:*:*:*:*:*:*:*:* Versions before 3.5.19.20 Vulnerable ·CODESYS

Remediation

  • Fix · CNA CODESYS Development System (CODESYS) Fixed in 3.5.19.20

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    CODESYS Development System 3.5.19.20

    3 records Highest priority Priority MEDIUM 1 MEDIUM, 2 LOW

    Other records, highest priority first

    • TI-2023-03420 CODESYS: Missing integrity check in CODESYS Development SystemPriority MEDIUM 42
    • TI-2023-03419 CODESYS: Vulnerability in CODESYS Development System allows for execution of binariesPriority LOW 33

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-3669
  2. 2026-10-03 Alias added: GHSA-gwpm-jp9f-hxfg

References

  • TI-2019-06497 An issue was discovered in 3S-Smart CODESYS V3 products. CVSS 3.1CRITICAL 9.8
  • TI-2023-03420 CODESYS: Missing integrity check in CODESYS Development System CVSS 3.1HIGH 8.8
  • TI-2022-03868 CODESYS: Exposure of Resource to Wrong Sphere in CODESYS V3 CVSS 3.1HIGH 8.8
  • TI-2021-10055 CODESYS Gateway 3 before 3.5.16.70 has a NULL pointer dereference that may result in a denial of service (DoS). CVSS 3.1HIGH 7.5
  • TI-2026-32408 Incorrect Default Permissions in CODESYS Development System CVSS 4.0HIGH 8.5
  • TI-2026-32407 Incorrect Default Permissions in CODESYS Development System CVSS 4.0HIGH 8.5
See all 42 →

Sources