3S CoDeSys Improper Access Control
Published Jan 21, 2013
9.8
CRITICALCVSS 3.1
EPSS 5.27%
Description
The Runtime Toolkit in CODESYS Runtime System 2.3.x and 2.4.x does not require authentication, which allows remote attackers to execute commands via the command-line interface in the TCP listener service or transfer files via requests to the TCP listener service.
Affected products
-
- Version 0StatusaffectedConstraints<2.3.7.17
- Version
-
- Version 0StatusaffectedConstraints<2.3.2.8
- Version
-
- Version 0StatusaffectedConstraints<2.4.7.40
- Version
-
- Version AllStatusaffectedConstraints-
- Version
-
- Version AllStatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 3S-Smart Software Solutions | CODESYS Control RTE | unaffected |
| ||||||
| 3S-Smart Software Solutions | CODESYS Control Runtime embedded | unaffected |
| ||||||
| 3S-Smart Software Solutions | CODESYS Control Runtime full | unaffected |
| ||||||
| Festo | CECX-X-C1 Modular Master Controller with CoDeSys | unaffected |
| ||||||
| Festo | CECX-X-M1 Modular Controller with CoDeSys and SoftMotion | unaffected |
|
Configuration 1
- 2.3.9.8
- 2.3.9.35
- 2.3.9.36
- 2.3.9.37
Configuration 2
- 2.4.0
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
Vendor solution
CoDeSys recommends upgrading to the latest version, which is Version 3. It can be downloaded here https://store.codesys.com/engineering/codesys.html .3S released a patch which implements a password for authentication to the device.
The patch can be downloaded from the CoDeSys Download Center http://www.codesys.com/download.html .
CoDeSys Version 3.X is not affected by these vulnerabilities.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:C/I:C/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 5.27% (0.05266) | 92.30th | v5 (v2026.06.15) |
| Jun 15, 2026 | 5.27% (0.05266) | 91.47th | v5 (v2026.06.15) |
| Jul 3, 2025 | 4.38% (0.04384) | 88.54th | v4 (v2025.03.14) |
| Mar 30, 2025 | 1.87% (0.01870) | 81.47th | v4 (v2025.03.14) |
| Mar 29, 2025 | 3.36% (0.03356) | 78.71th | v4 (v2025.03.14) |
| Mar 17, 2025 | 1.87% (0.01870) | 81.89th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.46% (0.00465) | 76.29th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.46% (0.00465) | 74.73th | v3 (v2023.03.01) |
| Dec 12, 2023 | 0.46% (0.00465) | 72.72th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.66% (0.00660) | 76.42th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.21% (0.01213) | 66.61th | v2 (v2022.01.01) |
| Feb 17, 2023 | 1.21% (0.01213) | 66.22th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.21% (0.01213) | 64.21th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.21% (0.01213) | 40.54th | v2 (v2022.01.01) |
References (7)
- http://ics-cert.us-cert.gov/advisories/ICSA-14-084-01 US Government Resource
- http://www.codesys.com/news-events/press-releases/detail/article/sicherheitsluecke-in-codesys-v23-laufzeitsystem.html x_refsource_CONFIRMVendor Advisory
- http://www.digitalbond.com/tools/basecamp/3s-codesys/ x_refsource_MISC
- http://www.us-cert.gov/control_systems/pdf/ICSA-13-011-01.pdf US Government Resource
- https://us.codesys.com/ecosystem/security/
- https://www.cisa.gov/news-events/ics-advisories/icsa-13-011-01
- https://www.cisa.gov/news-events/ics-advisories/icsa-14-084-01
| Link | Providers | Tags |
|---|---|---|
| http://ics-cert.us-cert.gov/advisories/ICSA-14-084-01 | US Government Resource | |
| http://www.codesys.com/news-events/press-releases/detail/article/sicherheitsluecke-in-codesys-v23-laufzeitsystem.html | x_refsource_CONFIRMVendor Advisory | |
| http://www.digitalbond.com/tools/basecamp/3s-codesys/ | x_refsource_MISC | |
| http://www.us-cert.gov/control_systems/pdf/ICSA-13-011-01.pdf | US Government Resource | |
| https://us.codesys.com/ecosystem/security/ | ||
| https://www.cisa.gov/news-events/ics-advisories/icsa-13-011-01 | ||
| https://www.cisa.gov/news-events/ics-advisories/icsa-14-084-01 |
Change history (0)
No recorded changes yet.