CVE-2020-10265: Universal Robots Robot Controllers Version CB2 SW Version 1.4 upwards, CB3 SW Version 3.0 and upwards, e-serie

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CRITICAL 9.4REMOTEUPGRADE

CVE-2020-10265 is a critical-severity flaw (CVSS 9.4) affecting ur software. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

Critical severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.4 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.5% (top 26%)
CISA exploited list	No
Weakness	CWE-306
Published	2020-04-06
Last modified	2026-06-17

Publisher (CNA): Alias Robotics S.L. · Vendor: universal-robots

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2020-04-06 12:15 UTCPublished CVE record published
2026-06-17 02:47 UTCUpdated Record last modified

universal-robots ur software UPGRADE

Affected: >= 3.0.14989 and <= 3.3.3.292 · >= 1.4 · >= 5.0

Fixed in: newer than 3.3.3.292

Safe to downgrade to: a release before 1.4

1. Check installed version

apt-cache policy ur-software || rpm -q ur-software || ur-software --version

2. UPGRADE to newer than 3.3.3.292 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade ur-software

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade ur-software

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

3. If no update is available yet, DOWNGRADE to a release before 1.4 (Debian / Ubuntu)

apt-cache madison ur-software sudo apt install ur-software=<VERSION_BEFORE_1.4> sudo apt-mark hold ur-software

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list ur-software sudo dnf downgrade ur-software-<VERSION_BEFORE_1.4> sudo dnf versionlock add ur-software

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2020-10265?

ur software: upgrade to newer than 3.3.3.292. Exact commands for each OS are on this page.

Is CVE-2020-10265 being exploited?

CVE-2020-10265 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2020-10265 affect?

CVE-2020-10265 affects ur software. Severity is critical (CVSS 9.4). 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 functi

How urgent is CVE-2020-10265?

Priority 56/100. Critical severity; Remotely exploitable, no login, no user action

Related CVEs

CVE-2020-10267 HIGH 7.5 UPGRADE Universal Robots control box CB 3.1 across firmware versions (tested on 1.12.1, 1.12, 1.11 and 1.10) does not
CVE-2020-10264 HIGH 8.8 UPGRADE CB3 SW Version 3.3 and upwards, e-series SW Version 5.0 and upwards allow authenticated access to the RTDE (Re

References

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