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CVE-2011-3288 Details

Description

Cisco Unified Presence before 8.5(4) does not properly detect recursion during entity expansion, which allows remote attackers to cause a denial of service (memory and CPU consumption, and process crash) via a crafted XML document containing a large number of nested entity references, aka Bug IDs CSCtq89842 and CSCtq88547, a similar issue to CVE-2003-1564.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.5 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
http://www.cisco.com/en/US/products/products_security_advisory09186a0080b95d47.shtml	CVE	Not Applicable
https://www.cisco.com/c/en/us/support/docs/csa/cisco-sa-20110928-xcpcupsxml.html	[email protected]	Vendor Advisory
http://www.cisco.com/en/US/products/products_security_advisory09186a0080b95d47.shtml	[email protected]	Not Applicable

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-776	Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion')	[email protected]

Affected Products

Product	Versions
cisco unified presence	< 8.5\(4\)
CPE cpe:2.3:a:cisco:unified_presence:::::::: Remediation No remediation found in references.

Change History

6 change records found show changes

Date	Action	Recorded By
Jun 16, 2026	CVE Modified	[email protected]
Apr 29, 2026	Status Change	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Feb 15, 2024	Reanalysis	[email protected]
Oct 6, 2011	Initial Analysis	[email protected]