CODESYS: Vulnerability in CODESYS Development System allows for execution of binaries
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-427.
Summary
In CODESYS Development System versions from 3.5.17.0 and prior to 3.5.19.20 a vulnerability allows for execution of binaries from the current working directory in the users context .
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 3.5.19.20
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-2023-03426 CODESYS: Missing Brute-Force protection in CODESYS Development SystemPriority LOW 15
Timeline
- 2026-10-02 Threatist record created from CVE-2023-3662
- 2026-10-03 Alias added: GHSA-f7mf-8v49-37qx
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-2026-32407 Incorrect Default Permissions in CODESYS Development System CVSS 4.0HIGH 8.5
Sources
- CVE-2023-3662 · CVE Program
- CVE-2023-3662 · NVD
- FIRST EPSS
- GHSA-f7mf-8v49-37qx · 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