CVE-2002-1935

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2002-12-31 · updated 2026-06-16

Description

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: 1.2.5, 1.2.7.4, 1.2.8, 2.0, 2.0.1

References

http://online.securityfocus.com/archive/1/288383
http://www.iss.net/security_center/static/9949.php
http://www.securityfocus.com/bid/5537
http://www.sys-security.com/archive/advisories/More_Vulnerabilities_with_Pingtel_xpressa_SIP-based_IP_phones.txt
http://online.securityfocus.com/archive/1/288383
http://www.iss.net/security_center/static/9949.php
http://www.securityfocus.com/bid/5537
http://www.sys-security.com/archive/advisories/More_Vulnerabilities_with_Pingtel_xpressa_SIP-based_IP_phones.txt

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