CVE-2008-4543

high

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.

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/45743

http://www.vupen.com/english/advisories/2008/2771

http://www.voipshield.com/research-details.php?id=128

http://www.securityfocus.com/bid/31642

http://www.cisco.com/en/US/products/products_security_response09186a0080a0d861.html

http://securitytracker.com/id?1021013

http://secunia.com/advisories/32187

Details

Source: Mitre, NVD

Published: 2008-10-13

Updated: 2026-06-16

Risk Information

CVSS v2

Base Score: 7.1

Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:C

Severity: High

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity: High

EPSS

EPSS: 0.01189