What is CVE-2020-10265?

CVE-2020-10265 is a critical-severity vulnerability in Universal Robots Robot Controllers Cb 2, Cb3, E-Series, classified under Missing Authentication for Critical Function. CVSS score: 9.4/10. Published 2020-04-06.

How severe is CVE-2020-10265?

Critical severity. CVSS v3 base score is 9.4 out of 10.

Auth bypass in Universal Robots Robot Controllers Cb 2, Cb3, E-Series

CVE-2020-10265

Universal Robots Robot Controllers Version CB2 SW Version 1.4 upwards, CB3 SW Version 3.0 and upwards, e-series SW Version 5.0 and upwards expose a service called DashBoard server at port 29999 that allows for control over core robot functions like starting/stopping programs, shutdown, reset safety and more. The DashBoard server is not protected by any kind of authentication or authorization.

Vulnerability class: Broken Authentication

Published 2020-04-06 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.4 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H.

EPSS exploit prediction

EPSS: 0.015 (73.3th percentile), scored 2026-10-19.

Low probability of exploitation in the next 30 days, but still tracked. 73rd percentile — 73.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

References

www.universal-robots.com/how-tos-and-faqs/how-to/ur-how-tos/real-time-data-exch… (Vendor Advisory)

Frequently asked questions

What is CVE-2020-10265?: CVE-2020-10265 is a critical-severity vulnerability in Universal Robots Robot Controllers Cb 2, Cb3, E-Series, classified under Missing Authentication for Critical Function. CVSS score: 9.4/10. Published 2020-04-06.
How severe is CVE-2020-10265?: Critical severity. CVSS v3 base score is 9.4 out of 10.