CODESYS V3 web server before 3.5.15.40, as used in CODESYS Control runtime systems, has a buffer overflow.
Priority MEDIUM 47CWE-787Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.
Summary
CODESYS V3 web server before 3.5.15.40, as used in CODESYS Control runtime systems, has a buffer overflow.
Why it matters now
EPSS 0.02918 87th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 15
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:codesys:control_for_beaglebone:*:*:*:*:*:*:*:* | before 3.5.15.40 | Vulnerable | CODESYS |
| cpe:2.3:a:codesys:control_for_empc-a\/imx6:*:*:*:*:*:*:*:* | before 3.5.15.40 | Vulnerable | CODESYS |
| cpe:2.3:a:codesys:control_for_iot2000:*:*:*:*:*:*:*:* | before 3.5.15.40 | Vulnerable | CODESYS |
| cpe:2.3:a:codesys:control_for_linux:*:*:*:*:*:*:*:* | before 3.5.15.40 | Vulnerable | CODESYS |
| cpe:2.3:a:codesys:control_for_pfc100:*:*:*:*:*:*:*:* | before 3.5.15.40 | Vulnerable | CODESYS |
| cpe:2.3:a:codesys:control_for_pfc200:*:*:*:*:*:*:*:* | before 3.5.15.40 | Vulnerable | CODESYS |
| cpe:2.3:a:codesys:control_for_plcnext:*:*:*:*:*:*:*:* | before 3.5.15.40 | Vulnerable | CODESYS |
| cpe:2.3:a:codesys:control_for_raspberry_pi:*:*:*:*:*:*:*:* | before 3.5.15.40 | Vulnerable | CODESYS |
| cpe:2.3:a:codesys:control_rte:*:*:*:*:*:*:*:* | 3.5.8.60 to before 3.5.15.40 | Vulnerable | CODESYS |
| cpe:2.3:a:codesys:control_rte:*:*:*:*:*:beckhoff_cx:*:* | 3.5.8.60 to before 3.5.15.40 | Vulnerable | CODESYS |
- cpe:2.3:a:codesys:control_for_beaglebone:*:*:*:*:*:*:*:* Versions before 3.5.15.40 Vulnerable ·CODESYS
- cpe:2.3:a:codesys:control_for_empc-a\/imx6:*:*:*:*:*:*:*:* Versions before 3.5.15.40 Vulnerable ·CODESYS
- cpe:2.3:a:codesys:control_for_iot2000:*:*:*:*:*:*:*:* Versions before 3.5.15.40 Vulnerable ·CODESYS
- cpe:2.3:a:codesys:control_for_linux:*:*:*:*:*:*:*:* Versions before 3.5.15.40 Vulnerable ·CODESYS
- cpe:2.3:a:codesys:control_for_pfc100:*:*:*:*:*:*:*:* Versions before 3.5.15.40 Vulnerable ·CODESYS
- cpe:2.3:a:codesys:control_for_pfc200:*:*:*:*:*:*:*:* Versions before 3.5.15.40 Vulnerable ·CODESYS
- cpe:2.3:a:codesys:control_for_plcnext:*:*:*:*:*:*:*:* Versions before 3.5.15.40 Vulnerable ·CODESYS
- cpe:2.3:a:codesys:control_for_raspberry_pi:*:*:*:*:*:*:*:* Versions before 3.5.15.40 Vulnerable ·CODESYS
- cpe:2.3:a:codesys:control_rte:*:*:*:*:*:*:*:* Versions 3.5.8.60 to before 3.5.15.40 Vulnerable ·CODESYS
- cpe:2.3:a:codesys:control_rte:*:*:*:*:*:beckhoff_cx:*:* Versions 3.5.8.60 to before 3.5.15.40 Vulnerable ·CODESYS
Show 5 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:codesys:control_runtime_system_toolkit:*:*:*:*:*:*:*:* | 3.0 to before 3.5.15.40 | Vulnerable | CODESYS |
| cpe:2.3:a:codesys:control_win:*:*:*:*:*:*:*:* | 3.5.9.80 to before 3.5.15.40 | Vulnerable | CODESYS |
| cpe:2.3:a:codesys:embedded_target_visu_toolkit:*:*:*:*:*:*:*:* | 3.0 to before 3.5.15.40 | Vulnerable | CODESYS |
| cpe:2.3:a:codesys:hmi:*:*:*:*:*:*:*:* | 3.5.10.0 to before 3.5.15.40 | Vulnerable | CODESYS |
| cpe:2.3:a:codesys:remote_target_visu_toolkit:*:*:*:*:*:*:*:* | 3.0 to before 3.5.15.40 | Vulnerable | CODESYS |
- cpe:2.3:a:codesys:control_runtime_system_toolkit:*:*:*:*:*:*:*:* Versions 3.0 to before 3.5.15.40 Vulnerable ·CODESYS
- cpe:2.3:a:codesys:control_win:*:*:*:*:*:*:*:* Versions 3.5.9.80 to before 3.5.15.40 Vulnerable ·CODESYS
- cpe:2.3:a:codesys:embedded_target_visu_toolkit:*:*:*:*:*:*:*:* Versions 3.0 to before 3.5.15.40 Vulnerable ·CODESYS
- cpe:2.3:a:codesys:hmi:*:*:*:*:*:*:*:* Versions 3.5.10.0 to before 3.5.15.40 Vulnerable ·CODESYS
- cpe:2.3:a:codesys:remote_target_visu_toolkit:*:*:*:*:*:*:*:* Versions 3.0 to before 3.5.15.40 Vulnerable ·CODESYS
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-10245
- 2026-10-03 Alias added: GHSA-566c-75hw-w2q2
References
More CODESYS Control For Beaglebone vulnerabilities
- TI-2019-10180 Stack-based buffer overflow in CODESYS V3 web server 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-2019-06495 An issue was discovered in 3S-Smart CODESYS V3 through 3.5.12.30. CVSS 3.1HIGH 8.8
- TI-2018-15275 Codesys Runtime Improper Limitation of a Pathname CVSS 3.1HIGH 8.8
- TI-2019-10164 Path traversal in CODESYS V3 web server CVSS 3.1HIGH 7.5
- TI-2020-12439 CODESYS Control runtime system before 3.5.16.10 allows Uncontrolled Memory Allocation. CVSS 3.1HIGH 7.5
Sources
- CVE-2020-10245 · CVE Program
- CVE-2020-10245 · NVD
- FIRST EPSS
- GHSA-566c-75hw-w2q2 · GitHub Advisory Database · CC BY 4.0
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