Unrated severityNVD Advisory· Published Aug 27, 2009· Updated Jun 16, 2026
CVE-2009-2054
CVE-2009-2054
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(2a)su1, and 7.1 before 7.1(2a)su1 allows remote attackers to cause a denial of service (file-descriptor exhaustion and SIP outage) via a flood of TCP packets, aka Bug ID CSCsx23689.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2cpe:2.3:a:cisco:unified_communications_manager:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:cisco:unified_communications_manager:*:*:*:*:*:*:*:*range: >=4.0,<5.1\(3g\)
- (no CPE)range: 4.x, <5.1(3g), <6.1(4), <7.0(2a)su1, <7.1(2a)su1
Patches
Vulnerability mechanics
References
6- www.cisco.com/en/US/products/products_security_advisory09186a0080af2d11.shtmlnvdBroken LinkPatchVendor Advisory
- www.securityfocus.com/bid/36152nvdBroken LinkThird Party AdvisoryVDB Entry
- www.securitytracker.com/idnvdBroken LinkThird Party AdvisoryVDB Entry
- osvdb.org/57456nvdBroken Link
- secunia.com/advisories/36498nvdBroken Link
- secunia.com/advisories/36499nvdBroken Link
News mentions
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