CVE-2002-0628: Polycom Viewstation 128

High severity, CVSS 7.5. EPSS: 2.2% chance of exploitation in the next 30 days.

The Telnet service for Polycom ViewStation before 7.2.4 does not restrict the number of failed login attempts, which makes it easier for remote attackers to guess usernames and passwords via a brute force attack.

Affected products

• Polycom Viewstation 128: version 6.5.1 only; version 7.2 only
• Polycom Viewstation 512: version 6.5.1 only; version 7.2 only
• Polycom Viewstation Dcp: version 6.5.1 only; version 7.2 only
• Polycom Viewstation Fx VS4000: version 4.1.5 only
• Polycom Viewstation h.323: version 6.5.1 only; version 7.2 only
• Polycom Viewstation Mp: version 6.5.1 only; version 7.2 only
• Polycom Viewstation SP 384: version 6.5.1 only; version 7.2 only
• Polycom Viewstation v.35: version 6.5.1 only; version 7.2 only

Published 2003-01-07. Last modified 2026-06-16.