CVE-2000-0901: Juergen Weigert Screen

Medium severity, CVSS 4.6. EPSS: 1% chance of exploitation in the next 30 days.

Format string vulnerability in screen 3.9.5 and earlier allows local users to gain root privileges via format characters in the vbell_msg initialization variable.

Affected products

• Juergen Weigert Screen: version 3.9.3 only; version 3.9.4 only; version 3.9.5 only

Published 2000-12-19. Last modified 2026-09-23.