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VulnerabilityPublished Updated

CVE-2024-50924: Improper Preservation of Permissions

Source CVE Database V5

0

Not known to be exploited · CVSS 6.5 Medium.

Data as of 26 Oct 2026, 15:59 UTC

CVSS 3.1 base score
6.5Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.3% chance of exploitation in 30 days – higher than 33% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 10 Dec 2024

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

AI-suggested

  1. Network Segmentation: Isolate Z-Wave controllers and devices on separate network segments or VLANs to limit exposure to potential attackers.
  2. Physical Security: Restrict physical and radio access to Z-Wave controllers to prevent attackers from gaining proximity.
  3. Monitoring: Implement network monitoring to detect unusual or repeated packet transmissions to the Z-Wave controller indicative of an attack.
  4. Firmware Updates: Regularly check for and apply firmware updates from Silicon Labs or device vendors once patches addressing this vulnerability are released.
  5. Access Controls: Where possible, configure Z-Wave network permissions to restrict device pairing and communication to authorized devices only.
  6. Incident Response: Develop and test response plans for denial of service incidents affecting smart home or IoT systems.
  7. Vendor Coordination: Engage with device manufacturers and Silicon Labs for timely information on patches and mitigations.
  8. Alternative Technologies: Consider fallback or redundant communication methods for critical systems relying on Z-Wave devices to maintain availability during attacks.

Description

Insecure permissions in Silicon Labs (SiLabs) Z-Wave Series 700 and 800 v7.21.1 allow attackers to cause disrupt communications between the controller and the device itself via repeatedly sending crafted packets to the controller.

References

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