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.

Threat-Mapped Scoring

Score: 1.5

Priority: P4 - Informational (Low)

• S10 – Denial of Service

EPSS

Score: 0.00527
Percentile: 0.66115

CVSS Scoring

Mapped CWE(s)

• CWE-776 : Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion')

All CAPEC(s)

CAPEC(s) with Mapped TTPs

Mapped ATT&CK TTPs

Affected Products

• cpe:2.3:a:cisco:unified_presence:*:*:*:*:*:*:*:*

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