CVE-2007-4553

CVE-2007-4553 is a medium-severity vulnerability in Thomson St 2030 Sip Phone with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

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.

Frequently asked questions

What is CVE-2007-4553?
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.
How severe is CVE-2007-4553?
CVE-2007-4553 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2007-4553 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-4553?
CVE-2007-4553 affects Thomson St 2030 Sip Phone. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2007-4553?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2007-4553 published?
CVE-2007-4553 was published on 2007-08-28 and last updated on 2026-06-16.

References

Affected products (1)

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