CVE-2013-3453

high Cisco
CVSS v3 Base Score
7.8
AV:N/AC:L/Au:N/C:N/I:N/A:C
EPSS Score
0.4%
Exploitation probability in 30 days
Top 38% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
Low
Confidentiality
None
Integrity
None
Availability
C
Published: August 22, 2013 (4647 days ago)
Last Modified: April 29, 2026
Vendor: Cisco
Source: NVD

Description

Memory leak in Cisco Unified Communications Manager IM and Presence Service before 8.6(5)SU1 and 9.x before 9.1(2), and Cisco Unified Presence, allows remote attackers to cause a denial of service (memory and CPU consumption) by making many TCP connections to port (1) 5060 or (2) 5061, aka Bug ID CSCud84959.

CWE

CWE-399

Affected Products

cisco unified communications managercisco unified presence

References

🔗 tools.cisco.com 🔗 tools.cisco.com