CVE-2021-34087

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 can be used for clickjacking. This includes the settings page.

Category

7.1
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.38%
Vendor Advisory ultimaker.com Vendor Advisory ultimaker.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://ultimaker.com/3d-printers/ultimaker-s3 product vendor advisory
https://ultimaker.com/3d-printers/ultimaker-s5 product vendor advisory
https://kth.diva-portal.org/smash/get/diva2:1623489/FULLTEXT01.pdf third party advisory technical description

Frequently Asked Questions

What is the severity of CVE-2021-34087?
CVE-2021-34087 has been scored as a high severity vulnerability.
How to fix CVE-2021-34087?
To fix CVE-2021-34087, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-34087 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-34087 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.