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CVE DATABASE  /  CVE-2009-2054

CVE-2009-2054

CVSS 7.8 · HIGH

Summary

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.

CVSS 2.0 breakdown

Base score7.8 (HIGH)
VectorAV:N/AC:L/Au:N/C:N/I:N/A:C
Attack vectorNETWORK
Attack complexityLOW
ConfidentialityNONE
IntegrityNONE
AvailabilityCOMPLETE

Weakness type (CWE)

Affected products

Cisco unified communications manager
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References

Data: NIST NVD. NVD last modified 2026-04-23. Always verify against the vendor advisory before acting.

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