{"id":"CVE-2021-34086","aliases":["EUVD-2021-20749","GHSA-c7fj-697w-86j9"],"status":"published","title":"In Ultimaker S3 3D printer, Ultimaker S5 3D printer, Ultimaker 3 3D printer S-line through 6.3...","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.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00547,"percentile":0.46158,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-352"],"published":"2022-01-10T01:12:48Z","modified":"2026-06-17T03:55:28Z","products":[{"vendor":"ultimaker","product":"ultimaker_3_firmware"},{"vendor":"ultimaker","product":"ultimaker_s3_firmware"},{"vendor":"ultimaker","product":"ultimaker_s5_firmware"}],"references":[{"url":"https://ultimaker.com/3d-printers/ultimaker-s3","tags":["x_refsource_MISC","x_transferred","Product","Vendor Advisory"]},{"url":"https://ultimaker.com/3d-printers/ultimaker-s5","tags":["x_refsource_MISC","x_transferred","Product","Vendor Advisory"]},{"url":"https://ultimaker.com/3d-printers/ultimaker-3","tags":["x_refsource_MISC","x_transferred","Product","Vendor Advisory"]},{"url":"https://kth.diva-portal.org/smash/get/diva2:1623489/FULLTEXT01.pdf","tags":["x_refsource_MISC","x_transferred","Technical Description","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-34086"},{"url":"https://github.com/advisories/GHSA-c7fj-697w-86j9"}],"sources":{"cve":[{"id":"CVE-2021-34086","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.","status":"published","published":"2022-01-10T01:12:48Z","modified":"2024-08-04T00:05:52.31Z","updated_at":"2026-11-02T14:33:11.244759Z"}],"euvd":[{"id":"EUVD-2021-20749","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.","status":"published","published":"2022-01-10T01:12:48Z","modified":"2024-08-04T00:05:52Z","updated_at":"2026-11-03T03:24:32.880562Z"}],"ghsa":[{"id":"GHSA-c7fj-697w-86j9","title":"In Ultimaker S3 3D printer, Ultimaker S5 3D printer, Ultimaker 3 3D printer S-line through 6.3...","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.","status":"published","published":"2022-01-11T00:01:35Z","modified":"2023-02-03T05:04:32Z","cwes":["CWE-352"],"updated_at":"2026-11-02T14:53:34.195392Z"}],"nvd":[{"id":"CVE-2021-34086","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.","status":"published","published":"2022-01-10T14:10:17.557Z","modified":"2026-06-17T03:55:28.737Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-352"],"updated_at":"2026-11-02T14:07:03.418194Z"}]}}