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Fencer Intel
critical 9.8

CVE-2020-10276 json

RVD#2558: Default credentials on SICK PLC allows disabling safety features

published 6y ago modified 4mo ago also EUVD-2020-2731

cvss
9.8
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.5%
EPSS 1.5% chance of exploitation in 30 days, percentile 75%
public exploits
0
none known

Summary

The password for the safety PLC is the default and thus easy to find (in manuals, etc.). This allows a manipulated program to be uploaded to the safety PLC, effectively disabling the emergency stop in case an object is too close to the robot. Navigation and any other components dependent on the laser scanner are not affected (thus it is hard to detect before something happens) though the laser scanner configuration can also be affected altering further the safety of the device.

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-21-280-02 updated cvss 8.8

Mobile Industrial Robots Vehicles and MiR Fleet Software

  • Mobile Industrial Robots (MiR) MiR Fleet in MiR Fleet Software < 2.10.2.1 Mobile Industrial Robots (MiR) MiR100 MiR200 MiR250 MiR500 MiR1000 in MiR Robot Software < 2.10.2.1
    affected: mitigation “MiR recommends users upgrade affected products to the latest version. New software versions can be found on the MiR Distributor portal (login required).” mobile-industrial-robots.com

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

Exploit prediction

1.54% chance of exploitation in the next 30 days, higher than 75% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.0 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

  • Mobile Industrial Robots A/S MiR100

Classification

Weakness
  • CWE-798 Use of Hard-coded Credentials

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.