{"id":"CVE-2011-3288","aliases":["EUVD-2011-3252","GHSA-66wf-g54m-27m7"],"status":"published","title":"Cisco Unified Presence before 8.5(4) does not properly detect recursion during entity expansion,...","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.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01768,"percentile":0.7825,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-776"],"published":"2011-10-06T10:00:00Z","modified":"2026-06-16T23:33:02Z","products":[{"vendor":"cisco","product":"unified_presence"}],"references":[{"url":"http://www.cisco.com/en/US/products/products_security_advisory09186a0080b95d47.shtml","tags":["vendor-advisory","x_refsource_CISCO","x_transferred","Not Applicable"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-3288"},{"url":"https://www.cisco.com/c/en/us/support/docs/csa/cisco-sa-20110928-xcpcupsxml.html","tags":["Vendor Advisory"]},{"url":"https://github.com/advisories/GHSA-66wf-g54m-27m7"}],"sources":{"cve":[{"id":"CVE-2011-3288","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.","status":"published","published":"2011-10-06T10:00:00Z","modified":"2024-09-16T22:36:23.734Z","updated_at":"2026-11-02T14:35:37.324501Z"}],"euvd":[{"id":"EUVD-2011-3252","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.","status":"published","published":"2011-10-06T10:00:00Z","modified":"2024-09-16T22:36:23Z","updated_at":"2026-11-03T00:55:01.59966Z"}],"ghsa":[{"id":"GHSA-66wf-g54m-27m7","title":"Cisco Unified Presence before 8.5(4) does not properly detect recursion during entity expansion,...","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.","status":"published","published":"2022-05-17T05:30:36Z","modified":"2026-03-23T05:09:20Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-776"],"updated_at":"2026-11-02T15:06:47.740951Z"}],"nvd":[{"id":"CVE-2011-3288","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.","status":"published","published":"2011-10-06T10:55:05.097Z","modified":"2026-06-16T23:33:02.05Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-776"],"updated_at":"2026-11-02T14:02:10.769216Z"}]}}