Unrated severityNVD Advisory· Published Aug 27, 2009· Updated Jun 16, 2026
CVE-2009-2053
CVE-2009-2053
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(2) allows remote attackers to cause a denial of service (file-descriptor exhaustion and SCCP outage) via a flood of TCP packets, aka Bug ID CSCsx32236.
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Affected products
2cpe: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(2a)su1, 7.1<7.1(2)
Patches
Vulnerability mechanics
References
6- www.cisco.com/en/US/products/products_security_advisory09186a0080af2d11.shtmlnvdPatchVendor Advisory
- secunia.com/advisories/36498nvdVendor Advisory
- secunia.com/advisories/36499nvdVendor Advisory
- www.securityfocus.com/bid/36152nvdThird Party AdvisoryVDB Entry
- www.securitytracker.com/idnvdThird Party AdvisoryVDB Entry
- osvdb.org/57455nvdBroken Link
News mentions
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