CVE-2015-5673: Isucon 5 Qualifier Eventapp

Medium severity, CVSS 6.5. EPSS: 2.5% chance of exploitation in the next 30 days.

eventapp/lib/gcloud.rb in the ISUCON5 qualifier portal (aka eventapp) web application before 2015-10-30 makes improper popen calls, which allows remote attackers to execute arbitrary commands via an HTTP request that includes shell metacharacters in an argument to a "gcloud compute" command.

Affected products

• Isucon Isucon 5 Qualifier Eventapp: affected versions not specified

Published 2015-11-04. Last modified 2026-06-17.