CVE-2008-4543

high Cisco
CVSS v3 Base Score
7.1
AV:N/AC:M/Au:N/C:N/I:N/A:C
EPSS Score
1.2%
Exploitation probability in 30 days
Top 21% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
M
Confidentiality
None
Integrity
None
Availability
C
Published: October 13, 2008 (6421 days ago)
Last Modified: April 23, 2026
Vendor: Cisco
Source: NVD

Description

Cisco Unity 4.x before 4.2(1)ES161, 5.x before 5.0(1)ES53, and 7.x before 7.0(2)ES8, when using anonymous authentication (aka native Unity authentication), allows remote attackers to cause a denial of service (session exhaustion) via a large number of connections.

CWE

CWE-399

Affected Products

cisco unity

References