CVE-2007-4753

The Thomson ST 2030 SIP phone with software 1.52.1 allows remote attackers to cause a denial of service (device hang) via (1) an empty SIP message or (2) a SIP INVITE message with a malformed To header, different vectors than CVE-2007-4553.

Published: 2007-09-08 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2007-4753 is rated Moderate Risk (43.6/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.19%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2007-4753

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-03-17 4.69% 1.19% -3.50%
2 2024-11-03 3.79% 4.69% +0.90%
3 2024-08-19 — 3.79% —

Full EPSS history (10 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2007-4753

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2007-4753

Affected software / configurations for CVE-2007-4753

Vendor Product Version Raw CPE
thomson st_2030_sip_phone 1.52.1 cpe:2.3:h:thomson:st_2030_sip_phone:1.52.1:firmware:*:*:*:*:*:*

References for CVE-2007-4753

cvelogic Threat Intelligence