CVE-2023-24504: Electra Central AC unit – Adjacent attacker may cause the unit to connect to unauthorized update server.

Routine

HIGH 7.5MITIGATE

CVE-2023-24504 is a high-severity flaw (CVSS 7.5) affecting central ac unit firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Electra Central AC unit – Adjacent attacker may cause the unit to connect to unauthorized update server.

Why this priority

High severity

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

Risk facts

CVSS score	7.5 (High)
Attack vector	Adjacent network
Attack complexity	High
Privileges needed	None
User interaction	None
EPSS exploit chance	0.3% (top 81%)
CISA exploited list	No
Published	2023-04-17
Last modified	2026-06-17

Publisher (CNA): Israel National Cyber Directorate · Vendor: electra-air

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

Am I affected?

Timeline

2023-04-17 22:15 UTCPublished CVE record published
2026-06-17 05:39 UTCUpdated Record last modified

electra-air central ac unit firmware MITIGATE

Affected: v7 · v8

Fixed in: no fixed release known

Safe to downgrade to: a release before v7

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-2023-24504?

central ac unit firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2023-24504 being exploited?

CVE-2023-24504 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-2023-24504 affect?

CVE-2023-24504 affects central ac unit firmware. Severity is high (CVSS 7.5). Electra Central AC unit – Adjacent attacker may cause the unit to connect to unauthorized update server.

How urgent is CVE-2023-24504?

Priority 31/100. High severity

Related CVEs

CVE-2023-24502 HIGH 7.5 MITIGATE Electra Central AC unit – The unit opens an AP with an easily calculated password.
CVE-2023-24501 CRITICAL 9.8 MITIGATE Electra Central AC unit – Hardcoded Credentials in unspecified code used by the unit.
CVE-2023-24500 HIGH 7.5 MITIGATE Electra Central AC unit – Adjacent attacker may cause the unit to load unauthorized FW.

References

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