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CVE-2006-0737

MediumPublished

eStara SIP softphone allows remote attackers to cause a denial of service (crash) via a SIP OPTIONS request with a negative Expires field.

Published: Feb 17, 2006
Updated: Aug 7, 2024
Assigning CNA: mitre
Evidence observed: Feb 14, 2006

Primary CVSS

5.0/ 10Medium

nvd · CVSS 2.0

AV:N/AC:L/Au:N/C:N/I:N/A:P

EPSS probability estimate

3.1%

Low · next 30 days

Percentile: 87.2%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

eStara SIP softphone allows remote attackers to cause a denial of service (crash) via a SIP OPTIONS request with a negative Expires field.

Sources

eStara SoftPhone 3.0.1 SIP Packet - Multiple Malformed Field Denial of Service VulnerabilitiesExploit
ZwelL · multiple · Feb 14, 2006

Responsible use

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