What is CVE-2021-38483?

CVE-2021-38483 is a medium-severity vulnerability in Fanuc Roboguide, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 6.0/10. Published 2022-04-20.

How severe is CVE-2021-38483?

Medium severity. CVSS v3 base score is 6.0 out of 10.

Vulnerability in Fanuc Roboguide

CVE-2021-38483

The affected product is vulnerable to misconfigured binaries, allowing users on the target PC with SYSTEM level privileges access to overwrite the binary and modify files to gain privilege escalation.

Published 2022-04-20 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.0 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:H/A:H.

EPSS exploit prediction

EPSS: 0.002 (5.1th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 5th percentile — 5.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000

Affected products

Fanuc Roboguide — versions All

Weakness classification (CWE)

CWE-732 — Incorrect Permission Assignment for Critical Resource

References

www.cisa.gov/uscert/ics/advisories/icsa-22-109-03 (US Government Resource, Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2021-38483?: CVE-2021-38483 is a medium-severity vulnerability in Fanuc Roboguide, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 6.0/10. Published 2022-04-20.
How severe is CVE-2021-38483?: Medium severity. CVSS v3 base score is 6.0 out of 10.