CVE-2007-4553

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 8.2% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2007-08-28 · updated 2026-06-16

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.

Affected products

Thomson St 2030 Sip Phone: 1-1.52.1_firmware

References

http://lists.grok.org.uk/pipermail/full-disclosure/2007-August/065433.html
http://secunia.com/advisories/26587
http://securityreason.com/securityalert/3075
http://www.securityfocus.com/bid/25446
http://www.securitytracker.com/id?1018603
http://www.vupen.com/english/advisories/2007/2988
https://exchange.xforce.ibmcloud.com/vulnerabilities/36217
http://lists.grok.org.uk/pipermail/full-disclosure/2007-August/065433.html
http://secunia.com/advisories/26587
http://securityreason.com/securityalert/3075
http://www.securityfocus.com/bid/25446
http://www.securitytracker.com/id?1018603

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