Incorrect Default Permissions in CODESYS Development System
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA.
Summary
The affected product creates a directory with insecure default permissions during administrative installation. This allows a low-privileged local attacker to modify a temporary file defining the components to be installed, enabling local privilege escalation by forcing the deployment of arbitrary components.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
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 Development System (CODESYS) Fixed in 3.5.22.20
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
CODESYS Development System 3.5.22.20
2 records Highest priority Priority LOW 2 LOW
Other records, highest priority first
- TI-2026-32408 Incorrect Default Permissions in CODESYS Development SystemPriority LOW 38
Timeline
- 2026-10-02 Threatist record created from CVE-2026-44468
- 2026-10-03 Alias added: GHSA-x347-p9xc-q762
References
More CODESYS Development System vulnerabilities
- 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-2022-06791 A component of the CODESYS Control runtime system allows read and write access to configuration files CVSS 3.1HIGH 8.1
Sources
- CVE-2026-44468 · CVE Program
- CVE-2026-44468 · NVD
- FIRST EPSS
- GHSA-x347-p9xc-q762 · 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