CVE-2002-0557: OpenBSD

High severity, CVSS 7.5. EPSS: 1.2% chance of exploitation in the next 30 days.

Vulnerability in OpenBSD 3.0, when using YP with netgroups in the password database, causes (1) rexec or (2) rsh to run another user's shell, or (3) atrun to change to a different user's directory, possibly due to memory allocation failures or an incorrect call to auth_approval().

Affected products

• OpenBSD OpenBSD: version 3.0 only

Published 2002-07-03. Last modified 2026-06-16.