CVE-2009-2052

Name: CVE-2009-2052
Creator: NVD / NIST
Published: 2009-08-27T17:00:01+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 3.98%

Last modified Jun 16, 2026

CVE-2009-2052 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 3.98% chance of exploitation in the next 30 days.

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(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.

Metrics

EPSS Probability

3.98%

89.2th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Cisco	Unified Communications Manager	>= 5.0, < 5.1\(3g\)
Cisco	Unified Communications Manager	>= 6.1\(1\), < 6.1\(4\)
Cisco	Unified Communications Manager	>= 7.0, < 7.0\(2\)
Cisco	Unified Communications Manager	>= 7.1, < 7.1\(2\)

References

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 Advisory, VDB Entry
http://www.cisco.com/en/US/products/products_security_advisory09186a0080af2d11.shtmlPatch, Vendor Advisory
http://www.cisco.com/en/US/products/products_security_advisory09186a0080afc930.shtmlVendor Advisory
http://www.securityfocus.com/bid/36152Third Party Advisory, VDB Entry
http://www.securityfocus.com/bid/36676Third Party Advisory, VDB Entry
http://www.securitytracker.com/id?1022775Third Party Advisory, VDB Entry
http://www.vupen.com/english/advisories/2009/2915Third Party Advisory
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 Advisory, VDB Entry
http://www.cisco.com/en/US/products/products_security_advisory09186a0080af2d11.shtmlPatch, Vendor Advisory
http://www.cisco.com/en/US/products/products_security_advisory09186a0080afc930.shtmlVendor Advisory
http://www.securityfocus.com/bid/36152Third Party Advisory, VDB Entry
http://www.securityfocus.com/bid/36676Third Party Advisory, VDB Entry
http://www.securitytracker.com/id?1022775Third Party Advisory, VDB Entry
http://www.vupen.com/english/advisories/2009/2915Third Party Advisory

Timeline

Published: Aug 27, 2009
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2009-2052?

How severe is CVE-2009-2052?

Severity scoring for CVE-2009-2052 is pending analysis. The EPSS model estimates a 3.98% probability of exploitation in the next 30 days.

How do I fix CVE-2009-2052?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2009-2052?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST