The Package Manager of CODESYS Development System 3 before 3.5.17.0 does not check the…
Priority LOW 36Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
The Package Manager of CODESYS Development System 3 before 3.5.17.0 does not check the validity of packages before installation and may be used to install CODESYS packages with malicious content.
Why it matters now
EPSS 0.00936 61st 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
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-29240
- 2026-10-03 Alias added: GHSA-hp56-5pmq-v75c
References
More CODESYS Development System vulnerabilities
- TI-2019-06497 An issue was discovered in 3S-Smart CODESYS V3 products. CVSS 3.1CRITICAL 9.8
- TI-2023-03420 CODESYS: Missing integrity check in CODESYS Development System CVSS 3.1HIGH 8.8
- TI-2022-03868 CODESYS: Exposure of Resource to Wrong Sphere in CODESYS V3 CVSS 3.1HIGH 8.8
- TI-2021-10055 CODESYS Gateway 3 before 3.5.16.70 has a NULL pointer dereference that may result in a denial of service (DoS). CVSS 3.1HIGH 7.5
- TI-2026-32408 Incorrect Default Permissions in CODESYS Development System CVSS 4.0HIGH 8.5
- TI-2026-32407 Incorrect Default Permissions in CODESYS Development System CVSS 4.0HIGH 8.5
Sources
- CVE-2021-29240 · CVE Program
- CVE-2021-29240 · NVD
- FIRST EPSS
- GHSA-hp56-5pmq-v75c · 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