CVE-2021-43933

CVE-2021-43933 is a medium-severity vulnerability in Fanuc Roboguide with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-400.

Key facts

Description

The affected product is vulnerable to a network-based attack by threat actors sending unimpeded requests to the receiving server, which could cause a denial-of-service condition due to lack of heap memory resources.

Frequently asked questions

What is CVE-2021-43933?
The affected product is vulnerable to a network-based attack by threat actors sending unimpeded requests to the receiving server, which could cause a denial-of-service condition due to lack of heap memory resources.
How severe is CVE-2021-43933?
CVE-2021-43933 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2021-43933 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-43933?
CVE-2021-43933 affects Fanuc Roboguide. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-43933?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-43933 published?
CVE-2021-43933 was published on 2022-04-20 and last updated on 2026-06-17.

References

Affected products (1)

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