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CVE-2024-22894: An issue fixed in AIT-Deutschland Alpha Innotec Heatpumps V2.88.3 or later, V3.89.0 or later, V4.81.3 or later

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MEDIUM 6.8UPGRADEUPGRADE

CVE-2024-22894 is a medium-severity flaw (CVSS 6.8) affecting heat pumps firmware, heat pumps firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue fixed in AIT-Deutschland Alpha Innotec Heatpumps V2.88.3 or later, V3.89.0 or later, V4.81.3 or later and Novelan Heatpumps V2.88.3 or later, V3.89.0 or later, V4.81.3 or later, allows remote attackers to execute arbitrary code via the password component in the shadow file.

Why this priority

  • Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score6.8 (Medium)
Attack vectorPhysical
Attack complexityLow
Privileges neededNone
User interactionNone
EPSS exploit chance0.7% (top 46%)
CISA exploited listNo
WeaknessCWE-326
Published2024-01-30
Last modified2026-06-17
Publisher (CNA): MITRE · Vendor: alpha-innotec · novelan

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

Am I affected?

Timeline

alpha-innotec heat pumps firmware UPGRADE
Affected: < 2.88.3 · >= 3.0.0 and < 3.89.0 · >= 4.0.0 and < 4.81.3
Fixed in: 2.88.3, 3.89.0, 4.81.3
Safe to downgrade to: a release before 3.0.0
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
novelan heat pumps firmware UPGRADE
Affected: < 2.88.3 · >= 3.0.0 and < 3.89.0 · >= 4.0.0 and < 4.81.3
Fixed in: 2.88.3, 3.89.0, 4.81.3
Safe to downgrade to: a release before 3.0.0
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
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-2024-22894?

heat pumps firmware: upgrade to 2.88.3, 3.89.0, 4.81.3; heat pumps firmware: upgrade to 2.88.3, 3.89.0, 4.81.3. Exact commands for each OS are on this page.

Is CVE-2024-22894 being exploited?

CVE-2024-22894 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-2024-22894 affect?

CVE-2024-22894 affects heat pumps firmware, heat pumps firmware. Severity is medium (CVSS 6.8). An issue fixed in AIT-Deutschland Alpha Innotec Heatpumps V2.88.3 or later, V3.89.0 or later, V4.81.3 or later and Novelan Heatpumps V2.88.3 or later, V3.89.0 or later, V4.81.3 or later, allows remote attackers to execute arbitrary code via

How urgent is CVE-2024-22894?

Priority 42/100. Public exploit reference

References

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