CVE-2012-2653: Lawrence Berkeley National Laboratory Arpwatch

High severity, CVSS 10.0. EPSS: 3.2% chance of exploitation in the next 30 days.

arpwatch 2.1a15, as used by Red Hat, Debian, Fedora, and possibly others, does not properly drop supplementary groups, which might allow attackers to gain root privileges by leveraging other vulnerabilities in the daemon.

Affected products

Published 2012-07-12. Last modified 2026-06-16.