CVE-2002-1935: Pingtel Xpressa

Medium severity, CVSS 5.0. EPSS: 1.4% chance of exploitation in the next 30 days.

Pingtel Xpressa 1.2.5 through 2.0.1 uses predictable (1) Call-ID, (2) CSeq, and (3) "To" and "From" SIP URL values in a Session Identification Protocol (SIP) request, which allows remote attackers to avoid registering with the SIP registrar.

Affected products

• Pingtel Xpressa: version 1.2.5 only; version 1.2.7.4 only; version 1.2.8 only; version 2.0 only; version 2.0.1 only

Published 2002-12-31. Last modified 2026-06-16.