VULNERABILITY INTELLIGENCE

CVE-2011-3288

CVSS score7.5 HIGH
EPSS probability1.77%
CISA KEVNot currently listed
Published2011-10-06
Last modified2026-06-16
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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.

Weakness classification

  • CWE-776: Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion')

Primary references