cbcvebase.
CVE-2009-2053
published 2009-08-27

CVE-2009-2053: 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)…

PriorityP335high7.8CVSS 2.0
AVNACLAuNCNINAC
EPSS
3.41%
87.5th percentile
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.

Affected

5 ranges
VendorProductVersion rangeFixed in
ciscounified_communications_manager
ciscounified_communications_manager>= 5.0 < 5.1\(3g\)5.1\(3g\)
ciscounified_communications_manager>= 6.1\(1\) < 6.1\(4\)6.1\(4\)
ciscounified_communications_manager>= 7.0 < 7.0\(2a\)su17.0\(2a\)su1
ciscounified_communications_manager>= 7.1 < 7.1\(2\)7.1\(2\)

CVSS provenance

nvdv2.07.8HIGHAV:N/AC:L/Au:N/C:N/I:N/A:C
vendor_cisco7.8HIGH
Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.