XXE in Cisco Unified Presence
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 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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.018 (78.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 78th percentile — 78.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: 0.000
Affected products
Weakness classification (CWE)
References
- www.cisco.com/en/US/products/products_security_advisory09186a0080b95d47.shtml (vendor-advisory, Not Applicable)
- www.cisco.com/c/en/us/support/docs/csa/cisco-sa-20110928-xcpcupsxml.html (Vendor Advisory)
Frequently asked questions
- What is CVE-2011-3288?
- CVE-2011-3288 is a high-severity vulnerability in Cisco Unified Presence, classified under Improper Restriction of Recursive Entity References in DTDs (XML Entity Expansion). CVSS score: 7.5/10. Published 2011-10-06.
- How severe is CVE-2011-3288?
- High severity. CVSS v3 base score is 7.5 out of 10.