CVE-2000-1124: IBM Aix

High severity, CVSS 7.2. EPSS: 0.9% chance of exploitation in the next 30 days.

Buffer overflow in piobe command in IBM AIX 4.3.x allows local users to gain privileges via long environmental variables.

Affected products

• IBM Aix: version 4.3 only; version 4.3.1 only; version 4.3.2 only; version 4.3.3 only

Published 2001-01-09. Last modified 2026-06-16.