CVE-2007-1833 json
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…
published 2007-04-03 19 y ago modified 2026-06-16 4 mo ago also EUVD-2007-1827
- cvss
- 5.0
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.4%
- EPSS 2.4% chance of exploitation in 30 days, percentile 84%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
Exploit prediction
2.43% chance of exploitation in the next 30 days, higher than 84% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
References
-
cisco.com
/warp/public/707/cisco-sa-20070328-voip.shtml
vendor-advisory, patch
-
securitytracker.com
/id?1017826
vdb-entry, patch
-
secunia.com
/advisories/24665
third-party-advisory, patch, vendor-advisory
-
exchange.xforce.ibmcloud.com
/vulnerabilities/33295
vdb-entry
-
vupen.com
/english/advisories/2007/1144
vdb-entry
-
securityfocus.com
/bid/23181
vdb-entry
Sources
- CVE List CVE-2007-1833
- NVD CVE-2007-1833
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.