CODESYS (Edge) Gateway for Windows insecure default
Priority LOW 30CWE-1188Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA.
Summary
An unauthenticated remote attacker can gain limited information of the PLC network but the user management of the PLCs prevents the actual access to the PLCs.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00447 39th percentileScored 2026-11-07
Fix Fixed CODESYS Edge Gateway (CODESYS): 3.5.21.0CODESYS Gateway for Windows (CODESYS): 3.5.21.0
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA CODESYS Edge Gateway (CODESYS) Fixed in 3.5.21.0
- Fix · CNA CODESYS Gateway for Windows (CODESYS) Fixed in 3.5.21.0
Timeline
- 2026-10-02 Threatist record created from CVE-2024-41975
- 2026-10-03 Alias added: GHSA-f9hf-p7m4-xh2g
References
More CODESYS vulnerabilities
- TI-2021-12888 CODESYS Control Runtime system before 3.5.17.10 has a Heap-based Buffer Overflow. CVSS 3.1CRITICAL 9.8
- TI-2019-10180 Stack-based buffer overflow in CODESYS V3 web server CVSS 3.1CRITICAL 9.8
- TI-2021-13604 CODESYS V2 web server: crafted requests could trigger a null pointer dereference (DoS) CVSS 3.1HIGH 7.5
- TI-2020-08257 CODESYS V3 web server before 3.5.15.40, as used in CODESYS Control runtime systems, has a buffer overflow. CVSS 3.1CRITICAL 9.8
- TI-2019-13592 CODESYS 3 web server before 3.5.15.20, as distributed with CODESYS Control runtime systems, has a Buffer Overflow. CVSS 3.1CRITICAL 9.8
- TI-2017-03937 Unrestricted file upload in 3S-Smart Software Solutions GmbH CODESYS Web Server CVSS 3.0CRITICAL 9.8
Sources
- CVE-2024-41975 · CVE Program
- CVE-2024-41975 · NVD
- FIRST EPSS
- GHSA-f9hf-p7m4-xh2g · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences