CVE-2011-3288

HIGH

Cisco Unified Presence < 8.5\(4\) - XML Entity Expansion

Title source: rule
STIX 2.1

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.

References (2)

Scores

CVSS v3 7.5
EPSS 0.0053
EPSS Percentile 67.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-776
Status published
Products (1)
cisco/unified_presence < 8.5\(4\)
Published Oct 06, 2011
Tracked Since Feb 18, 2026