CVE-2022-41636: Communication traffic involving "Ethernet Q Commands" service of Haas Controller version 100.20.000.1110 is tr

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CRITICAL 9.1REMOTEDOWNGRADE

CVE-2022-41636 is a critical-severity flaw (CVSS 9.1) affecting haas controller. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Communication traffic involving "Ethernet Q Commands" service of Haas Controller version 100.20.000.1110 is transmitted in cleartext. This allows an attacker to obtain sensitive information being passed to and from the controller.

Why this priority

Critical severity
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	9.1 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.5% (top 58%)
CISA exploited list	No
Weakness	CWE-319
Published	2022-10-28
Last modified	2026-06-17

Publisher (CNA): ICS-CERT · Vendor: haascnc

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2022-10-28 18:15 UTCPublished CVE record published
2026-06-17 05:03 UTCUpdated Record last modified

haascnc haas controller DOWNGRADE

Affected: 100.20.000.1110

Fixed in: no fixed release known

Safe to downgrade to: a release before 100.20.000.1110

1. Check installed version

apt-cache policy haas-controller || rpm -q haas-controller || haas-controller --version

2. No fixed release: DOWNGRADE to a release before 100.20.000.1110 (Debian / Ubuntu)

apt-cache madison haas-controller sudo apt install haas-controller=<VERSION_BEFORE_100.20.000.1110> sudo apt-mark hold haas-controller

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list haas-controller sudo dnf downgrade haas-controller-<VERSION_BEFORE_100.20.000.1110> sudo dnf versionlock add haas-controller

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2022-41636?

haas controller: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2022-41636 being exploited?

CVE-2022-41636 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2022-41636 affect?

CVE-2022-41636 affects haas controller. Severity is critical (CVSS 9.1). Communication traffic involving "Ethernet Q Commands" service of Haas Controller version 100.20.000.1110 is transmitted in cleartext. This allows an attacker to obtain sensitive information being passed to and from the controller.

How urgent is CVE-2022-41636?

Priority 47/100. Critical severity; Remotely exploitable, no login, no user action

References

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