CVE-2011-3288

high Cisco
CVSS v3 Base Score
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score
0.5%
Exploitation probability in 30 days
Top 33% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Confidentiality
None
Integrity
None
Availability
High
Published: October 6, 2011 (5334 days ago)
Last Modified: April 29, 2026
Vendor: Cisco
Source: NVD

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.

CWE

CWE-776

Affected Products

cisco unified presence

References

🔗 www.cisco.com 🔗 www.cisco.com 🔗 www.cisco.com