CVE-2009-2053

high Cisco
CVSS v3 Base Score
7.8
AV:N/AC:L/Au:N/C:N/I:N/A:C
EPSS Score
1.6%
Exploitation probability in 30 days
Top 18% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
Low
Confidentiality
None
Integrity
None
Availability
C
Published: August 27, 2009 (6103 days ago)
Last Modified: April 23, 2026
Vendor: Cisco
Source: NVD

Description

Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 4.x, 5.x before 5.1(3g), 6.x before 6.1(4), 7.0 before 7.0(2a)su1, and 7.1 before 7.1(2) allows remote attackers to cause a denial of service (file-descriptor exhaustion and SCCP outage) via a flood of TCP packets, aka Bug ID CSCsx32236.

CWE

NVD-CWE-Other

Affected Products

cisco unified communications manager

References

🔗 osvdb.org 🔗 secunia.com 🔗 secunia.com 🔗 www.cisco.com 🔗 www.securityfocus.com