High (7.2). EPSS 0.7% chance of exploitation in the next 30 days.
A vulnerability exists in the RTU500 that allows for authenticated and authorized users to bypass secure update,
if secure update feature was not enabled on all
CMUs of a RTU500. If a
malicious actor successfully exploits this vulnerability, they
could use it to update the RTU500 with unsigned firmware.
Severity
CVSS 3.1
7.2 high
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS
0.7% chance of exploitation in the next 30 days; higher than 51% of CVEs (scores of 2026-10-31)