CVE-2007-1833
The Skinny Call Control Protocol (SCCP) implementation in Cisco Unified CallManager (CUCM) 3.3...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2007-1833- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2007-1833- Updated
- 2026-11-02
EUVDEUVD-2007-1827 No score
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.
- Record
EUVD-2007-1827- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-6p2g-28fm-38rf No score
The Skinny Call Control Protocol (SCCP) implementation in Cisco Unified CallManager (CUCM) 3.3...
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.
- Record
GHSA-6p2g-28fm-38rf- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2007-1833 is a medium vulnerability (CVSS 5.0) in Cisco Unified Callmanager, published April 3, 2007. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.43%, the 84th percentile. No source names a fixed version.
References
securitytracker.com/id?1017826
exchange.xforce.ibmcloud.com/vulnerabilities/33295
secunia.com/advisories/24665
vupen.com/english/advisories/2007/1144
cisco.com/warp/public/707/cisco-sa-20070328-voip.shtml
securityfocus.com/bid/23181
nvd.nist.gov/vuln/detail/CVE-2007-1833
github.com/advisories/GHSA-6p2g-28fm-38rf