In Ultimaker S3 3D printer, Ultimaker S5 3D printer, Ultimaker 3 3D printer S-line…
Priority LOW 39CWE-352Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Tampering
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-352.
Summary
In Ultimaker S3 3D printer, Ultimaker S5 3D printer, Ultimaker 3 3D printer S-line through 6.3 and Ultimaker 3 through 5.2.16, the local webserver hosts APIs vulnerable to CSRF. They do not verify incoming requests.
Why it matters now
EPSS 0.00547 46th percentileScored 2026-11-07
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
CPE configurations NVD · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:ultimaker:ultimaker_s3_firmware:*:*:*:*:*:*:*:* | up to 6.3 | Vulnerable | Ultimaker |
| cpe:2.3:h:ultimaker:ultimaker_s3:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Ultimaker |
| cpe:2.3:o:ultimaker:ultimaker_s5_firmware:*:*:*:*:*:*:*:* | up to 6.3 | Vulnerable | Ultimaker |
| cpe:2.3:h:ultimaker:ultimaker_s5:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Ultimaker |
| cpe:2.3:o:ultimaker:ultimaker_3_firmware:*:*:*:*:*:*:*:* | up to 5.2.16 | Vulnerable | Ultimaker |
| cpe:2.3:h:ultimaker:ultimaker_3:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Ultimaker |
- cpe:2.3:o:ultimaker:ultimaker_s3_firmware:*:*:*:*:*:*:*:* Versions up to 6.3 Vulnerable ·Ultimaker
- cpe:2.3:h:ultimaker:ultimaker_s3:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Ultimaker
- cpe:2.3:o:ultimaker:ultimaker_s5_firmware:*:*:*:*:*:*:*:* Versions up to 6.3 Vulnerable ·Ultimaker
- cpe:2.3:h:ultimaker:ultimaker_s5:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Ultimaker
- cpe:2.3:o:ultimaker:ultimaker_3_firmware:*:*:*:*:*:*:*:* Versions up to 5.2.16 Vulnerable ·Ultimaker
- cpe:2.3:h:ultimaker:ultimaker_3:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Ultimaker
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-34086
- 2026-10-03 Alias added: GHSA-c7fj-697w-86j9
References
More Ultimaker 3 Firmware vulnerabilities
- TI-2021-13273 In Ultimaker S3 3D printer, Ultimaker S5 3D printer, Ultimaker 3 3D printer S-line… CVSS 3.1HIGH 7.1
Sources
- CVE-2021-34086 · CVE Program
- CVE-2021-34086 · NVD
- FIRST EPSS
- GHSA-c7fj-697w-86j9 · 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