PatchTheCVECVE-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 va
CVE-2002-1935 is a medium-severity flaw (CVSS 5.0) affecting xpressa. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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.
Why this priority
- No elevated risk signals yet
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 5.0 (Medium) |
| EPSS exploit chance | 1.4% (top 28%) |
| CISA exploited list | No |
| Published | 2002-12-31 |
| Last modified | 2026-06-16 |
Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2002-1935?
xpressa: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2002-1935 being exploited?
CVE-2002-1935 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2002-1935 affect?
CVE-2002-1935 affects xpressa. Severity is medium (CVSS 5.0). 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
How urgent is CVE-2002-1935?
Priority 35/100. No elevated risk signals yet.
Related CVEs
- CVE-2004-1680 MEDIUM 5.0 MITIGATE application.cgi in the Pingtel Xpressa handset running firmware 2.1.11.24 allows remote authenticated users to
- CVE-2002-1934 MEDIUM 5.0 MITIGATE Pingtel xpressa SIP-based voice-over-IP phone 1.2.5 through 2.0.1 leaks sensitive information during boot-up,
- CVE-2002-0675 MEDIUM 4.6 MITIGATE Pingtel xpressa SIP-based voice-over-IP phone 1.2.5 through 1.2.7.4 does not require administrative privileges
- CVE-2002-0674 HIGH 7.2 MITIGATE Pingtel xpressa SIP-based voice-over-IP phone 1.2.5 through 1.2.7.4 does not "time out" an inactive administra
- CVE-2002-0673 MEDIUM 4.6 MITIGATE The enrollment process for Pingtel xpressa SIP-based voice-over-IP phone 1.2.5 through 1.2.7.4 allows attacker