What’s Vulnerable › Vulnerabilities
CVE-2021-34086
- Severity: high (CVSS 8.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.5% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2022-01-10 · updated 2026-06-17
- Weakness: CWE-352
Description
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.
Affected products
- Ultimaker 3 Firmware: through 5.2.16
- Ultimaker S3 Firmware: through 6.3
- Ultimaker S5 Firmware: through 6.3
References
- https://kth.diva-portal.org/smash/get/diva2:1623489/FULLTEXT01.pdf
- https://ultimaker.com/3d-printers/ultimaker-3
- https://ultimaker.com/3d-printers/ultimaker-s3
- https://ultimaker.com/3d-printers/ultimaker-s5
- https://kth.diva-portal.org/smash/get/diva2:1623489/FULLTEXT01.pdf
- https://ultimaker.com/3d-printers/ultimaker-3
- https://ultimaker.com/3d-printers/ultimaker-s3
- https://ultimaker.com/3d-printers/ultimaker-s5
Get alerted when CVE-2021-34086 or the next vulnerability affects your stack