EasyCTF before 1.4 does not validate the session ID, which allows remote attackers to obtain access via a crafted HTTP request.
http://jvndb.jvn.jp/jvndb/JVNDB-2015-000062
http://jvn.jp/en/jp/JVN96439865/index.html
http://jvn.jp/en/jp/JVN96439865/995657/index.html
Source: Mitre, NVD
Published: 2015-05-01
Updated: 2026-05-06
Base Score: 5
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N
Severity: Medium
Base Score: 9.1
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Severity: Critical
EPSS: 0.00218