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CVE-2007-1833

MEDIUM · CVSS 5.0EPSS 2.4%EU EUVD

The Skinny Call Control Protocol (SCCP) implementation in Cisco Unified CallManager (CUCM) 3.3 before 3.3(5)SR2a, 4.1 before 4.1(3)SR4, 4.2 before 4.2(3)SR1, and 5.0 before 5.0(4a)SU1 allows remote attackers to cause a denial of service (loss of voice services) by sending crafted packets to the (1) SCCP (2000/tcp) or (2) SCCPS (2443/tcp) port.

Key facts

CVSS score
5.0 (v2.0)
Severity
MEDIUM
CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:P
EPSS score
2.4% (84th percentile)
In CISA KEV
No
In EU EUVD
Yes (EUVD-2007-1827)
Published
April 3, 2007
NVD last modified
June 16, 2026
Status
Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2007-1827 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

  • cisco / unified callmanager
  • cisco / unified callmanager
  • cisco / unified callmanager
  • cisco / unified callmanager
  • cisco / unified callmanager
  • cisco / unified callmanager
  • cisco / unified callmanager
  • cisco / unified callmanager
  • cisco / unified callmanager
  • cisco / unified callmanager
  • cisco / unified callmanager
  • cisco / unified callmanager
  • cisco / unified callmanager
  • cisco / unified callmanager
  • cisco / unified callmanager
  • cisco / unified callmanager
  • cisco / unified callmanager
  • cisco / unified callmanager
  • cisco / unified callmanager
  • cisco / unified callmanager
  • cisco / unified callmanager
  • cisco / unified callmanager
  • cisco / unified callmanager
  • cisco / unified callmanager
  • cisco / unified callmanager

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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