CVE-2007-4553

high

Description

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.

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/36217

http://www.vupen.com/english/advisories/2007/2988

http://www.securitytracker.com/id?1018603

http://www.securityfocus.com/bid/25446

http://securityreason.com/securityalert/3075

http://secunia.com/advisories/26587

http://lists.grok.org.uk/pipermail/full-disclosure/2007-August/065433.html

Details

Source: Mitre, NVD

Published: 2007-08-28

Updated: 2026-06-16

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity: High

EPSS

EPSS: 0.08214