Unrated severityNVD Advisory· Published Aug 27, 2009· Updated Jun 16, 2026
CVE-2009-2052
CVE-2009-2052
Description
Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 4.x, 5.x before 5.1(3g), 6.x before 6.1(4), 7.0 before 7.0(2), and 7.1 before 7.1(2); and Cisco Unified Presence 1.x, 6.x before 6.0(6), and 7.x before 7.0(4); allows remote attackers to cause a denial of service (TCP services outage) via a large number of TCP connections, related to "tracking of network connections," aka Bug IDs CSCsq22534 and CSCsw52371.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
3cpe:2.3:a:cisco:unified_communications_manager:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:cisco:unified_communications_manager:*:*:*:*:*:*:*:*range: >=5.0,<5.1\(3g\)
- (no CPE)range: 4.x, 5.x < 5.1(3g), 6.x < 6.1(4), 7.0 < 7.0(2), 7.1 < 7.1(2)
- Range: 1.x, 6.x < 6(6), 7.x < 7.0(4)
Patches
Vulnerability mechanics
References
10- www.cisco.com/en/US/products/products_security_advisory09186a0080af2d11.shtmlnvdPatchVendor Advisory
- secunia.com/advisories/36498nvdVendor Advisory
- secunia.com/advisories/36499nvdVendor Advisory
- secunia.com/advisories/37039nvdThird Party Advisory
- securitytracker.com/idnvdThird Party AdvisoryVDB Entry
- www.cisco.com/en/US/products/products_security_advisory09186a0080afc930.shtmlnvdVendor Advisory
- www.securityfocus.com/bid/36152nvdThird Party AdvisoryVDB Entry
- www.securityfocus.com/bid/36676nvdThird Party AdvisoryVDB Entry
- www.securitytracker.com/idnvdThird Party AdvisoryVDB Entry
- www.vupen.com/english/advisories/2009/2915nvdThird Party Advisory
News mentions
0No linked articles in our index yet.