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CVE-2007-4553

MediumPublished

The Thomson ST 2030 SIP phone with software 1.52.1 allows remote attackers to cause a denial of service (device hang) via an INVITE message with a Via...

Published: Aug 28, 2007
Updated: Aug 7, 2024
Assigning CNA: mitre
Evidence observed: Aug 27, 2007

Primary CVSS

5.0/ 10Medium

nvd · CVSS 2.0

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

EPSS probability estimate

8.2%

Low · next 30 days

Percentile: 94.7%
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

The Thomson ST 2030 SIP phone with software 1.52.1 allows remote attackers to cause a denial of service (device hang) via an INVITE message with a Via header that contains a '/' (slash) instead of the required space following the SIP version number.

Sources

Thomson SpeedTouch ST 2030 (SIP Phone) - Remote Denial of ServiceExploit
MADYNES · hardware · Aug 27, 2007
Thomson SpeedTouch ST 2030 (SIP Phone) - SIP Invite Message Remote Denial of ServiceExploit
Humberto J. Abdelnur · hardware · Aug 27, 2007

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