Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2008-4543

Severity CVSS v4.0:
Pending analysis
Type:
CWE-399 Resource Management Errors
Publication date:
13/10/2008
Last modified:
09/04/2025

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.

Impact

Vector 2.0
AV:N/AC:M/Au:N/C:N/I:N/A:C CVSS v2.0 Severity and Metrics:

Base Score: 7.10 HIGH
Vector: AV:N/AC:M/Au:N/C:N/I:N/A:C

Attack Vector (AV): Network
Attack Complexity (AC): Medium
Authentication (Au): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Complete

Base Score 2.0
7.10
Severity 2.0
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:cisco:unity:*:*:*:*:*:*:*:* 4.2\(1\) (including)
cpe:2.3:a:cisco:unity:*:*:*:*:*:*:*:* 5.0\(1\) (including)
cpe:2.3:a:cisco:unity:*:*:*:*:*:*:*:* 7.0\(2\) (including)
cpe:2.3:a:cisco:unity:4.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unity:4.0\(1\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:unity:4.0\(2\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:unity:4.0\(3\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:unity:4.0\(3\):sr2:*:*:*:*:*:*
cpe:2.3:a:cisco:unity:4.0\(4\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:unity:4.0\(4\):sr1:*:*:*:*:*:*
cpe:2.3:a:cisco:unity:4.0\(5\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:unity:4.1\(1\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:unity:5.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unity:7.0:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools