The session.lua library in CGILua 5.0.x uses sequential session IDs, which makes it easier for remote attackers to predict the session ID and hijack arbitrary sessions. NOTE: this vulnerability was SPLIT from CVE-2014-2875.
Severity
CVSS 3.1
6.1 medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS
1.2% chance of exploitation in the next 30 days; higher than 69% of CVEs (scores of 2026-10-31)