CODESYS runtime system prone to denial of service due to buffer copy
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-120 and the CVSS impact.
Summary
Multiple CODESYS products are affected to a buffer overflow.A low privileged remote attacker may craft a request, which can cause a buffer copy without checking the size of the service, resulting in a denial-of-service condition. User Interaction is not required.
Why it matters now
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 |
|---|---|---|---|---|---|
| CODESYS | Runtime Toolkit | V2 to before V2.4.7.57 | V2.4.7.57 | Patch available | CNA |
| CODESYS | PLCWinNT | V2 to before V2.4.7.57 | V2.4.7.57 | Patch available | CNA |
Remediation
- Fix · CNA Runtime Toolkit (CODESYS) Fixed in V2.4.7.57
- Fix · CNA PLCWinNT (CODESYS) Fixed in V2.4.7.57
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
CODESYS PLCWinNT, Runtime Toolkit V2.4.7.57
9 records Highest priority Priority MEDIUM 3 MEDIUM, 6 LOW
Other records, highest priority first
- TI-2022-13872 CODESYS Runtime System prone to heap based buffer overflowPriority MEDIUM 41
- TI-2022-13878 CODESYS runtime system prone to directory accesPriority MEDIUM 40
- TI-2022-13873 CODESYS runtime system prone to denial of service due to Unexpected Sign ExtensionPriority MEDIUM 40
Timeline
- 2026-10-02 Threatist record created from CVE-2022-32140
- 2026-10-03 Alias added: GHSA-383r-p8gw-prwq
References
More CODESYS Plcwinnt vulnerabilities
- TI-2022-13698 Insecure default settings in CODESYS Runtime Toolkit 32 bit full and CODESYS PLCWinNT CVSS 3.1CRITICAL 9.8
- TI-2021-10734 CODESYS V2 runtime system before 2.4.7.55 has Improper Input Validation. CVSS 3.1HIGH 7.5
- TI-2021-10725 CODESYS V2 runtime system SP before 2.4.7.55 has a Heap-based Buffer Overflow. CVSS 3.1HIGH 7.5
- TI-2022-13872 CODESYS Runtime System prone to heap based buffer overflow CVSS 3.1HIGH 8.8
- TI-2022-13878 CODESYS runtime system prone to directory acces CVSS 3.1HIGH 8.8
- TI-2022-13873 CODESYS runtime system prone to denial of service due to Unexpected Sign Extension CVSS 3.1HIGH 8.8
Sources
- CVE-2022-32140 · CVE Program
- CVE-2022-32140 · NVD
- FIRST EPSS
- GHSA-383r-p8gw-prwq · 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