Home/CVE/Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 4.x, 5.x before 5.1(3g), 6.x before 6.1(4), 7.0 be
CVE

CVE-2009-2052

Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 4.x, 5.x before 5.1(3g), 6.x before 6.1(4), 7.0 be

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.

HIGH · CVSS 7.8 EPSS 0.0276
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
▤

Affected Products & Versions

4
cisco unified communications manager>= 5.0 and < 5.1\(3g\)
cisco unified communications manager>= 6.1\(1\) and < 6.1\(4\)
cisco unified communications manager>= 7.0 and < 7.0\(2\)
cisco unified communications manager>= 7.1 and < 7.1\(2\)
▣

Scoring & Timeline

7.8
HIGH · CVSS v2 (legacy) · psirt@cisco.com
View on NVD
This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:N/AC:L/Au:N/C:N/I:N/A:C
Published to NVD27 Aug 2009 · 05:00 PM
🔗

References & Sources

10
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://secunia.com/advisories/36498Vendor Advisory
http://secunia.com/advisories/36499Vendor Advisory
http://secunia.com/advisories/37039Third Party Advisory
http://securitytracker.com/id?1023018Third Party AdvisoryVDB Entry
http://www.cisco.com/en/US/products/products_security_advisory09186a0080af2d11.shtmlPatchVendor Advisory
http://www.cisco.com/en/US/products/products_security_advisory09186a0080afc930.shtmlVendor Advisory
Intelligence Graph · click any node to traverse
CVETechnique ActorTool Family
drag to reposition · click any node to traverse · button top-right enlarges
External lookups - second-class, for what we don’t hold ourselves
NVDCVE.orgCISAVulnersExploit-DBGitHub PoCVulnCheck KEVGreyNoise
Vulnerabilities
CISA KEV catalog
CWE weaknesses
CAPEC attack patterns
Package vulnerabilities
Threat intelligence
Threat actors
Tools & malware
ATT&CK techniques
IOCs
Detection & defense
Sigma rules
YARA rules
Atomic Red Team tests
D3FEND countermeasures
Compliance
NIST 800-53
ISO 27001:2022
SOC 2 TSC
PCI-DSS v4.0
CIS Controls v8.1
About
All capabilities
Live statistics
Data sources
Privacy policy
Terms of service
threatengine.sh  ·  Open-source threat intelligence platform  ·  100+ authoritative sources  ·  Every fact traces to its origin