CVE-2009-2053

Name: CVE-2009-2053
Creator: NVD / NIST
Published: 2009-08-27T17:00:01.03+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 3.41%

Last modified Jun 16, 2026

CVE-2009-2053 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(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.. EPSS estimates a 3.41% 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(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.

Metrics

EPSS Probability

3.41%

87.4th 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\(2a\)su1
Cisco	Unified Communications Manager	>= 7.1, < 7.1\(2\)

References

http://osvdb.org/57455Broken Link
http://secunia.com/advisories/36498Vendor Advisory
http://secunia.com/advisories/36499Vendor Advisory
http://www.cisco.com/en/US/products/products_security_advisory09186a0080af2d11.shtmlPatch, Vendor Advisory
http://www.securityfocus.com/bid/36152Third Party Advisory, VDB Entry
http://www.securitytracker.com/id?1022775Third Party Advisory, VDB Entry
http://osvdb.org/57455Broken Link
http://secunia.com/advisories/36498Vendor Advisory
http://secunia.com/advisories/36499Vendor Advisory
http://www.cisco.com/en/US/products/products_security_advisory09186a0080af2d11.shtmlPatch, Vendor Advisory
http://www.securityfocus.com/bid/36152Third Party Advisory, VDB Entry
http://www.securitytracker.com/id?1022775Third Party Advisory, VDB Entry

Timeline

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

Frequently Asked Questions

What is CVE-2009-2053?

How severe is CVE-2009-2053?

Severity scoring for CVE-2009-2053 is pending analysis. The EPSS model estimates a 3.41% probability of exploitation in the next 30 days.

How do I fix CVE-2009-2053?

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-2009-2053?

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

Scan your code now

Source: NVD / NIST