High (7.5) in specotech web viewer. EPSS 1.7% chance of exploitation in the next 30 days.
Speco Web Viewer through 2021-05-12 allows Directory Traversal via GET request for a URI with /.. at the beginning, as demonstrated by reading the /etc/passwd file.
Severity
CVSS 3.1
7.5 high
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS
1.7% chance of exploitation in the next 30 days; higher than 77% of CVEs (scores of 2026-10-31)