- 6.5MediumCVSS base score
- 0.63%Exploitation in 30 daysEPSS · top 49% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
In multiple Codesys products in multiple versions, after successful authentication as a user, specific crafted network communication requests with inconsistent content can cause the CmpApp component to read internally from an invalid address, potentially leading to a denial-of-service condition. This vulnerability is different to CVE-2023-37546, CVE-2023-37547, CVE-2023-37548, CVE-2023-37549, CVE-2023-37550
Timeline
ID reserved
By CERTVDE
- 27 days later
· 27 days later
Published
- 15 months later
· 15 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| CERTVDECNA (assigner) | 3.1 | Medium6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
| NVDNVD · Modified | 3.1 | Medium6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.63% · top 49% of all CVEs (12 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.5.
Affected products
CODESYS · CODESYS Control for BeagleBone SL
- affected < V4.10.0.0
CODESYS · CODESYS Control for emPC-A/iMX6 SL
- affected < V4.10.0.0
CODESYS · CODESYS Control for IOT2000 SL
- affected < V4.10.0.0
CODESYS · CODESYS Control for Linux SL
- affected < V4.10.0.0
CODESYS · CODESYS Control for PFC100 SL
- affected < V4.10.0.0
CODESYS · CODESYS Control for PFC200 SL
- affected < V4.10.0.0
CODESYS · CODESYS Control for PLCnext SL
- affected < V4.10.0.0
CODESYS · CODESYS Control for Raspberry Pi SL
- affected < V4.10.0.0
CODESYS · CODESYS Control for WAGO Touch Panels 600 SL
- affected < V4.10.0.0
CODESYS · CODESYS Control RTE (for Beckhoff CX) SL
- affected < V3.5.19.20
CODESYS · CODESYS Control RTE (SL)
- affected < V3.5.19.20
CODESYS · CODESYS Control Runtime System Toolkit
- affected < V3.5.19.20
CODESYS · CODESYS Control Win (SL)
- affected < V3.5.19.20
CODESYS · CODESYS Development System V3
- affected < V3.5.19.20
- affected < V3.5.19.20
CODESYS · CODESYS Safety SIL2 Runtime Toolkit
- affected < V3.5.19.20
References
References1
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2023-41431 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2023-37545)Record last updated .