Unrated severityNVD Advisory· Published Oct 13, 2008· Updated Jun 16, 2026
CVE-2008-4543
CVE-2008-4543
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
13cpe:2.3:a:cisco:unity:*:*:*:*:*:*:*:*+ 12 more
- cpe:2.3:a:cisco:unity:*:*:*:*:*:*:*:*range: <=4.2\(1\)
- 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:*:*:*:*:*:*:*
- (no CPE)range: <4.2(1)ES161, <5.0(1)ES53, <7.0(2)ES8
Patches
Vulnerability mechanics
References
7- secunia.com/advisories/32187nvdVendor Advisory
- www.cisco.com/en/US/products/products_security_response09186a0080a0d861.htmlnvdVendor Advisory
- securitytracker.com/idnvd
- www.securityfocus.com/bid/31642nvd
- www.voipshield.com/research-details.phpnvd
- www.vupen.com/english/advisories/2008/2771nvd
- exchange.xforce.ibmcloud.com/vulnerabilities/45743nvd
News mentions
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