CVE-2024-4013: Failure to update BT Mesh Replay Protection List

Severity: medium (CVSS 5.6 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-06-06 · updated 2026-06-17
Weakness: CWE-404

Description

A bug exists in the API, mesh_node_power_off(), which fails to copy the contents of the Replay Protection List (RPL) from RAM to NVM before powering down, resulting in the ability to replay unsaved messages. Note that as of June 2024, the Gecko SDK was renamed to the Simplicity SDK, and the versioning scheme was changed from Gecko SDK vX.Y.Z to Simplicity SDK YYYY.MM.Patch#.

Affected products

silabs.com Gecko Platform: from 3.1.0 through 2024.06.0

References

https://community.silabs.com/068Vm000006rR53
https://github.com/SiliconLabs/gecko_sdk/releases
https://community.silabs.com/068Vm000006rR53
https://github.com/SiliconLabs/gecko_sdk/releases

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