High severity · published Oct 6, 2011
CVE-2011-3288
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…
7.5
CVSS
1.8%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.8% · higher than 78% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
UP
Unified Presence · Cisco
before 8.5\(4\) · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2011-3288
CVE.org
https://www.cve.org/CVERecord?id=CVE-2011-3288
Not Applicable
http://www.cisco.com/en/US/products/products_security_advisory09186a0080b95d47.shtml
Vendor Advisory
https://www.cisco.com/c/en/us/support/docs/csa/cisco-sa-20110928-xcpcupsxml.html
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