CVE-2008-4543
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...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2008-4543- CVSS 2.0
- 7.1 High
AV:N/AC:M/Au:N/C:N/I:N/A:C - Weakness
- CWE-399
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2008-4543- Updated
- 2026-11-02
EUVDEUVD-2008-4524 No score
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.
- Record
EUVD-2008-4524- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-62cp-8pc2-pfp9 No score
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...
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.
- Record
GHSA-62cp-8pc2-pfp9- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2008-4543 is a high vulnerability (CVSS 7.1) in Cisco Unity, published October 13, 2008. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.83%, the 79th percentile. No source names a fixed version.
References
secunia.com/advisories/32187
exchange.xforce.ibmcloud.com/vulnerabilities/45743
securitytracker.com/id?1021013
securityfocus.com/bid/31642
vupen.com/english/advisories/2008/2771
cisco.com/en/US/products/products_security_response09186a0080a0d861.html
voipshield.com/research-details.php?id=128
nvd.nist.gov/vuln/detail/CVE-2008-4543
github.com/advisories/GHSA-62cp-8pc2-pfp9