TI-2008-04334 Aliases CVE-2008-4543 GHSA-62cp-8pc2-pfp9

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…

LOW 35CWE-399Published 2008-10-13 · Updated 2024-08-07

Key facts

Attack vector: Network
Privileges required: None
User interaction: — Not recorded in CVSS 2.0
Attack complexity: Medium
Impact type: Denial of service
Confidentiality · integrity · availability: None · None · Complete
Fix status: No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-399 and the CVSS impact.

Summary

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.

Why it matters now

EPSS 0.01834 79th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 12

CPE	Versions	Role	Vendor
cpe:2.3:a:cisco:unity::::::::	up to 4.2\(1\); up to 5.0\(1\); up to 7.0\(2\)	Vulnerable	Cisco
cpe:2.3:a:cisco:unity:4.0:::::::*	4.0	Vulnerable	Cisco
cpe:2.3:a:cisco:unity:4.0\(1\):::::::*	4.0(1)	Vulnerable	Cisco
cpe:2.3:a:cisco:unity:4.0\(2\):::::::*	4.0(2)	Vulnerable	Cisco
cpe:2.3:a:cisco:unity:4.0\(3\):::::::*	4.0(3)	Vulnerable	Cisco
cpe:2.3:a:cisco:unity:4.0\(3\):sr2::::::	4.0(3) sr2	Vulnerable	Cisco
cpe:2.3:a:cisco:unity:4.0\(4\):::::::*	4.0(4)	Vulnerable	Cisco
cpe:2.3:a:cisco:unity:4.0\(4\):sr1::::::	4.0(4) sr1	Vulnerable	Cisco
cpe:2.3:a:cisco:unity:4.0\(5\):::::::*	4.0(5)	Vulnerable	Cisco
cpe:2.3:a:cisco:unity:4.1\(1\):::::::*	4.1(1)	Vulnerable	Cisco

cpe:2.3:a:cisco:unity:*:*:*:*:*:*:*:* Versions up to 4.2\(1\); up to 5.0\(1\); up to 7.0\(2\) Vulnerable ·Cisco
cpe:2.3:a:cisco:unity:4.0:*:*:*:*:*:*:* Versions 4.0 Vulnerable ·Cisco
cpe:2.3:a:cisco:unity:4.0\(1\):*:*:*:*:*:*:* Versions 4.0(1) Vulnerable ·Cisco
cpe:2.3:a:cisco:unity:4.0\(2\):*:*:*:*:*:*:* Versions 4.0(2) Vulnerable ·Cisco
cpe:2.3:a:cisco:unity:4.0\(3\):*:*:*:*:*:*:* Versions 4.0(3) Vulnerable ·Cisco
cpe:2.3:a:cisco:unity:4.0\(3\):sr2:*:*:*:*:*:* Versions 4.0(3) sr2 Vulnerable ·Cisco
cpe:2.3:a:cisco:unity:4.0\(4\):*:*:*:*:*:*:* Versions 4.0(4) Vulnerable ·Cisco
cpe:2.3:a:cisco:unity:4.0\(4\):sr1:*:*:*:*:*:* Versions 4.0(4) sr1 Vulnerable ·Cisco
cpe:2.3:a:cisco:unity:4.0\(5\):*:*:*:*:*:*:* Versions 4.0(5) Vulnerable ·Cisco
cpe:2.3:a:cisco:unity:4.1\(1\):*:*:*:*:*:*:* Versions 4.1(1) Vulnerable ·Cisco

Show 2 more CPE

CPE	Versions	Role	Vendor
cpe:2.3:a:cisco:unity:5.0:::::::*	5.0	Vulnerable	Cisco
cpe:2.3:a:cisco:unity:7.0:::::::*	7.0	Vulnerable	Cisco

cpe:2.3:a:cisco:unity:5.0:*:*:*:*:*:*:* Versions 5.0 Vulnerable ·Cisco
cpe:2.3:a:cisco:unity:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Cisco

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2008-4543
2026-10-03 Alias added: GHSA-62cp-8pc2-pfp9

References

Advisory 1

20081008 VoIPshield Reported Vulnerabilities in Cisco Unity Server

Other 2

TI-2008-03654 Unspecified vulnerability in Cisco Unity 4.x before 4.2(1)ES161, 5.x before 5.0(1)ES53… CVSS 2.0MEDIUM 5.8
TI-2008-04335 Unspecified vulnerability in an unspecified Microsoft API, as used by Cisco Unity and… CVSS 2.0MEDIUM 5.0
TI-2008-04336 Cisco Unity 4.x before 4.2(1)ES161, 5.x before 5.0(1)ES53, and 7.x before 7.0(2)ES8 uses… CVSS 2.0MEDIUM 4.0
TI-2008-04333 Cross-site scripting (XSS) vulnerability in Cisco Unity 4.x before 4.2(1)ES162, 5.x… CVSS 2.0LOW 3.5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences