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Vulnerability record · CVE-2011-3287 · published 6 October 2011

CVE-2011-3287: Cisco jabber extensible communications platform vulnerability

Cisco · Jabber Extensible Communications Platform

Cisco Jabber Extensible Communications Platform (aka Jabber XCP) 2.x through 5.4.x before 5.4.0.27581 and 5.8.x before 5.8.1.27561 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 ID CSCtq78106, a similar issue to CVE-2003-1564.

7.8 CVSS 2.0 High EPSS 1.2% · top 32.9% CWE-399 · CWE-399
7.8CVSS 2.0 base score
1.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
16 Jun 2026Last modified by NVD

Description

Cisco Jabber Extensible Communications Platform (aka Jabber XCP) 2.x through 5.4.x before 5.4.0.27581 and 5.8.x before 5.8.1.27561 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 ID CSCtq78106, a similar issue to CVE-2003-1564.

AV:N/AC:L/Au:N/C:N/I:N/A:C

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.cisco.com/en/US/products/products_security_advisory09186a0080b95d47.shtml Vendor Advisory
http://www.cisco.com/en/US/products/products_security_advisory09186a0080b95d47.shtml Vendor Advisory

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2011-3287), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.