CVE-2021-32998

Description

The FANUC R-30iA and R-30iB series controllers are vulnerable to an out-of-bounds write, which may allow an attacker to remotely execute arbitrary code. INIT START/restore from backup required.

Category

7.4
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.36%
Third-Party Advisory cisa.gov
Affected: FANUC R-30iA, R-30iA Mate
Affected: FANUC R-30iB, R-30iB Mate, R-30iB Compact
Affected: FANUC R-30iB Plus, R-30iB Mate Plus, R-30iB Compact Plus, R-30iB Mini Plus
Published at:
Updated at:

References

Link Tags
https://www.cisa.gov/uscert/ics/advisories/icsa-21-243-02 third party advisory us government resource

Frequently Asked Questions

What is the severity of CVE-2021-32998?
CVE-2021-32998 has been scored as a high severity vulnerability.
How to fix CVE-2021-32998?
To fix CVE-2021-32998, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-32998 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-32998 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-32998?
CVE-2021-32998 affects FANUC R-30iA, R-30iA Mate, FANUC R-30iB, R-30iB Mate, R-30iB Compact, FANUC R-30iB Plus, R-30iB Mate Plus, R-30iB Compact Plus, R-30iB Mini Plus.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.