CVE-2024-5000
CODESYS: Incorrect calculation of buffer size can cause DoS on CODESYS OPC UA products
- 7.5HighCVSS base score
- 0.57%Exploitation in 30 daysEPSS · top 53% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
An unauthenticated remote attacker can use a malicious OPC UA client to send a crafted request to affected CODESYS products which can cause a DoS due to incorrect calculation of buffer size.
Timeline
ID reserved
By CERTVDE
- 19 days later
· 19 days later
Published
- 58 days later
· 58 days 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 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVDNVD · Deferred | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.57% · top 53% of all CVEs (10 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: yes · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Affected products
CODESYS · CODESYS Control for BeagleBone SL
- affected < 4.12.0.0
CODESYS · CODESYS Control for emPC-A/iMX6 SL
- affected < 4.12.0.0
CODESYS · CODESYS Control for IOT2000 SL
- affected < 4.12.0.0
CODESYS · CODESYS Control for Linux ARM SL
- affected < 4.12.0.0
CODESYS · CODESYS Control for Linux SL
- affected < 4.12.0.0
CODESYS · CODESYS Control for PFC100 SL
- affected < 4.12.0.0
CODESYS · CODESYS Control for PFC200 SL
- affected < 4.12.0.0
CODESYS · CODESYS Control for PLCnext SL
- affected < 4.12.0.0
CODESYS · CODESYS Control for Raspberry Pi SL
- affected < 4.12.0.0
CODESYS · CODESYS Control for WAGO Touch Panels 600 SL
- affected < 4.12.0.0
CODESYS · CODESYS Control RTE (for Beckhoff CX) SL
- affected < 3.5.20.10
CODESYS · CODESYS Control RTE (SL)
- affected < 3.5.20.10
CODESYS · CODESYS Runtime Toolkit
- affected < 3.5.20.10
CODESYS · CODESYS Control Win (SL)
- affected < 3.5.20.10
- affected < 3.5.20.10
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-2024-46275 (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-2024-5000)Record last updated .