CVE-2011-2490: Nrl Opie

High severity, CVSS 7.2. EPSS: 0.5% chance of exploitation in the next 30 days.

opielogin.c in opielogin in OPIE 2.4.1-test1 and earlier does not check the return value of the setuid system call, which allows local users to gain privileges by arranging for an account to already be running its maximum number of processes.

Affected products

• Nrl Opie: up to and including 2.4.1; version 2.2 only; version 2.3 only; version 2.4 only; version 2.10 only; version 2.11 only; …

Published 2011-07-27. Last modified 2026-06-16.