An Incorrect Permission Assignment for Critical Resource issue was discovered in Advantech WebAccess versions prior to V8.2_20170817. Multiple files and folders with ACLs that affect other users are allowed to be modified by non-administrator accounts.
Severity
CVSS 3.0
7.8 high
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
0.4% chance of exploitation in the next 30 days; higher than 28% of CVEs (scores of 2026-10-31)