CVE-2002-1935

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.

Published: 2002-12-31 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2002-1935 is rated Moderate Risk (44.4/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.35%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2002-1935

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.63% 1.35% +0.72%
2 2025-08-14 0.39% 0.63% +0.24%
3 2025-03-30 — 0.39% —

Full EPSS history (10 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2002-1935

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:P/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2002-1935

Affected software / configurations for CVE-2002-1935

Vendor Product Version Raw CPE
pingtel xpressa 1.2.5 cpe:2.3:h:pingtel:xpressa:1.2.5:*:*:*:*:*:*:*
pingtel xpressa 1.2.7.4 cpe:2.3:h:pingtel:xpressa:1.2.7.4:*:*:*:*:*:*:*
pingtel xpressa 1.2.8 cpe:2.3:h:pingtel:xpressa:1.2.8:*:*:*:*:*:*:*
pingtel xpressa 2.0 cpe:2.3:h:pingtel:xpressa:2.0:*:*:*:*:*:*:*
pingtel xpressa 2.0.1 cpe:2.3:h:pingtel:xpressa:2.0.1:*:*:*:*:*:*:*

References for CVE-2002-1935

cvelogic Threat Intelligence