CVE-2007-1833

Name: CVE-2007-1833
Creator: NVD / NIST
Published: 2007-04-03T00:19:00+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 2.35%

Last modified Jun 16, 2026

CVE-2007-1833 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 2.35% chance of exploitation in the next 30 days.

Description

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.

Metrics

EPSS Probability

2.35%

81.6th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Cisco	Unified Callmanager	3.3
Cisco	Unified Callmanager	3.3\(2\)
Cisco	Unified Callmanager	3.3\(2\)spb
Cisco	Unified Callmanager	3.3\(2\)spc
Cisco	Unified Callmanager	3.3\(3\)
Cisco	Unified Callmanager	3.3\(3\)sr1
Cisco	Unified Callmanager	3.3\(3\)sr4
Cisco	Unified Callmanager	3.3\(4\)
Cisco	Unified Callmanager	3.3\(4\)sr1a
Cisco	Unified Callmanager	3.3\(5\)
Cisco	Unified Callmanager	3.3\(5\)sr1
Cisco	Unified Callmanager	3.3\(5\)sr1a
Cisco	Unified Callmanager	4.1
Cisco	Unified Callmanager	4.1\(2\)
Cisco	Unified Callmanager	4.1\(3\)
Cisco	Unified Callmanager	4.1\(3\)sr1
Cisco	Unified Callmanager	4.1\(3\)sr2
Cisco	Unified Callmanager	4.1\(3\)sr3
Cisco	Unified Callmanager	4.2
Cisco	Unified Callmanager	5.0
Cisco	Unified Callmanager	5.0\(1\)
Cisco	Unified Callmanager	5.0\(2\)
Cisco	Unified Callmanager	5.0\(3\)
Cisco	Unified Callmanager	5.0\(3a\)
Cisco	Unified Callmanager	5.0\(4\)

References

http://secunia.com/advisories/24665Patch, Vendor Advisory
http://securitytracker.com/id?1017826Patch
http://www.cisco.com/warp/public/707/cisco-sa-20070328-voip.shtmlPatch, Vendor Advisory
http://www.securityfocus.com/bid/23181
http://www.vupen.com/english/advisories/2007/1144
https://exchange.xforce.ibmcloud.com/vulnerabilities/33295
http://secunia.com/advisories/24665Patch, Vendor Advisory
http://securitytracker.com/id?1017826Patch
http://www.cisco.com/warp/public/707/cisco-sa-20070328-voip.shtmlPatch, Vendor Advisory
http://www.securityfocus.com/bid/23181
http://www.vupen.com/english/advisories/2007/1144
https://exchange.xforce.ibmcloud.com/vulnerabilities/33295

Timeline

Published: Apr 3, 2007
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2007-1833?

How severe is CVE-2007-1833?

Severity scoring for CVE-2007-1833 is pending analysis. The EPSS model estimates a 2.35% probability of exploitation in the next 30 days.

How do I fix CVE-2007-1833?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2007-1833?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST