CVE-2011-3287
highpriority · track · 31EPSS 0.012 · 68 %ileEUUSEPSS · scored 2026-10-28
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.6–7.8
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (6)
Products and version ranges known to be affected.
- cisco jabber extensible communications platform≤ 5.4nvdUScpe:2.3:a:cisco:jabber_extensible_communications_platform:*:*:*:*:*:*:*:*
- cisco jabber extensible communications platform≤ 5.8nvdUScpe:2.3:a:cisco:jabber_extensible_communications_platform:*:*:*:*:*:*:*:*
- cisco jabber extensible communications platform= 5.0nvdUScpe:2.3:a:cisco:jabber_extensible_communications_platform:*:*:*:*:*:*:*:*
- cisco jabber extensible communications platform= 5.1nvdUScpe:2.3:a:cisco:jabber_extensible_communications_platform:*:*:*:*:*:*:*:*
- cisco jabber extensible communications platform= 5.2nvdUScpe:2.3:a:cisco:jabber_extensible_communications_platform:*:*:*:*:*:*:*:*
also known as (2)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (2)
External citations — patches, advisories, analysis.
Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.
Free scan