CVE-2013-3461

high Cisco
CVSS v3 Base Score
7.1
AV:N/AC:M/Au:N/C:N/I:N/A:C
EPSS Score
0.5%
Exploitation probability in 30 days
Top 33% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
M
Confidentiality
None
Integrity
None
Availability
C
Published: August 25, 2013 (4645 days ago)
Last Modified: April 29, 2026
Vendor: Cisco
Source: NVD

Description

Cisco Unified Communications Manager (Unified CM) 8.5(x) and 8.6(x) before 8.6(2a)su3 and 9.x before 9.1(1) does not properly restrict the rate of SIP packets, which allows remote attackers to cause a denial of service (memory and CPU consumption, and service disruption) via a flood of UDP packets to port 5060, aka Bug ID CSCub35869.

CWE

CWE-399

Affected Products

cisco unified communications manager

References

🔗 tools.cisco.com 🔗 www.securitytracker.com 🔗 tools.cisco.com 🔗 www.securitytracker.com