CVE-2021-43933

6.1 MEDIUM 0.7% exploit odds Fix listed

What it is

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.

At a glance

Exploitability: Can be exploited over the network without logging in, but needs a user to act. High risk of service disruption.
Exploit odds: 0.7% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2022-04-20 16:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 04:11 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 0.7% in the next 30 days (EPSS).
Severity: 6.1 MEDIUM (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2022-04-20 16:15 UTC
Last modified: 2026-06-17 04:11 UTC
Exploit probability: 0.7% · EPSS, next 30 days
Weakness: CWE-400 · Uncontrolled resource consumption
Record status: Modified

Affected

Fanuc Roboguide ≤ 9.40083.00.05

Attack profile CVSS 3.1 · 6.1

Attack vector: Network
Complexity: High
Privileges needed: None
User interaction: Required
Scope: Changed
Confidentiality: None
Integrity: None
Availability: High

Raw vector

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

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2021-43933.md and follow it. Check whether this project is affected by CVE-2021-43933. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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Fix and advisories

References

NVD record · CVE.org record