High (8.8) in motorola ace1000 firmware. EPSS 0.5% chance of exploitation in the next 30 days.
Motorola ACE1000 RTUs through 2022-05-02 mishandle application integrity. They allow for custom application installation via either STS software, the C toolkit, or the ACE1000 Easy Configurator. In the case of the Easy Configurator, application images (as PLX/DAT/APP/CRC files) are uploaded via the Web UI. In case of the C toolkit, they are transferred and installed using SFTP/SSH. In each case, application images were found to have no authentication (in the form of firmware signing) and only relied on insecure checksums for regular integrity checks.
Severity
CVSS 3.1
8.8 high
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
0.5% chance of exploitation in the next 30 days; higher than 40% of CVEs (scores of 2026-10-31)