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CVE-2021-38483

21
FAUCET Score

CVE-2021-38483 describes a privilege escalation vulnerability in FANUC ROBOGUIDE, where misconfigured binaries allow users with SYSTEM-level privileges to overwrite critical files. This local attack requires high privileges and high attack complexity, but could lead to complete integrity and availability compromise. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this medium-severity vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
<= 9.40083.00.05CPE matchmatch criteria
cpe:2.3:a:fanuc:roboguide:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.0MEDIUM

CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:H/A:H

Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
0.8
Impact Score
5.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.16%
Probability of exploitation in next 30 days
EPSS Percentile
5.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0016 is in the 52nd percentile among its peer group of 418 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

cisa.gov / uscert/ics/advisories/icsa-22-109-03
PatchThird Party AdvisoryUS Government Resource