{"cve":"CVE-2021-34086","nvd":{"published":"2022-01-10T14:10:17.557","modified":"2026-06-17T03:55:28.737","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","score":8.8},"cwes":["CWE-352"],"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"],"products":["ultimaker:ultimaker_3_firmware","ultimaker:ultimaker_s3_firmware","ultimaker:ultimaker_s5_firmware"],"source":"nvd","synced_at":"2026-10-19T21:26:33.761856376+00:00"},"epss":{"cve":"CVE-2021-34086","score":0.00529,"percentile":0.44779,"date":"2026-11-01"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}