Microsoft Communicator, and Communicator in Microsoft Office 2010 beta, allows remote attackers to cause a denial of service (memory consumption) via a large number of SIP INVITE requests, which trigger the creation of many sessions.
Threat-Mapped Scoring
Score: 1.5
Priority: P4 - Informational (Low)
EPSS
Score: 0.85274Percentile:
0.99306
CVSS Scoring
CVSS v3.1 Score: 5.3
Severity: MEDIUM
Mapped CWE(s)
CWE-770
: Allocation of Resources Without Limits or Throttling
All CAPEC(s)
CAPEC-125 : Flooding
CAPEC-130 : Excessive Allocation
CAPEC-147 : XML Ping of the Death
CAPEC-197 : Exponential Data Expansion
CAPEC-229 : Serialized Data Parameter Blowup
CAPEC-230 : Serialized Data with Nested Payloads
CAPEC-231 : Oversized Serialized Data Payloads
CAPEC-469 : HTTP DoS
CAPEC-482 : TCP Flood
CAPEC-486 : UDP Flood
CAPEC-487 : ICMP Flood
CAPEC-488 : HTTP Flood
CAPEC-489 : SSL Flood
CAPEC-490 : Amplification
CAPEC-491 : Quadratic Data Expansion
CAPEC-493 : SOAP Array Blowup
CAPEC-494 : TCP Fragmentation
CAPEC-495 : UDP Fragmentation
CAPEC-496 : ICMP Fragmentation
CAPEC-528 : XML Flood
CAPEC(s) with Mapped TTPs
CAPEC-125 : Flooding
Mapped TTPs:
CAPEC-130 : Excessive Allocation
Mapped TTPs:
CAPEC-469 : HTTP DoS
Mapped TTPs:
CAPEC-482 : TCP Flood
Mapped TTPs:
CAPEC-488 : HTTP Flood
Mapped TTPs:
CAPEC-489 : SSL Flood
Mapped TTPs:
CAPEC-490 : Amplification
Mapped TTPs:
CAPEC-528 : XML Flood
Mapped TTPs:
Mapped ATT&CK TTPs
T1498.001
: Direct Network Flood
Kill Chain: impact
T1499
: Endpoint Denial of Service
Kill Chain: impact
T1499.003
: Application Exhaustion Flood
Kill Chain: impact
T1499.002
: Service Exhaustion Flood
Kill Chain: impact
T1498.001
: Direct Network Flood
Kill Chain: impact
T1499.001
: OS Exhaustion Flood
Kill Chain: impact
T1499.002
: Service Exhaustion Flood
Kill Chain: impact
T1499.002
: Service Exhaustion Flood
Kill Chain: impact
T1499.002
: Service Exhaustion Flood
Kill Chain: impact
T1498.002
: Reflection Amplification
Kill Chain: impact
T1499.002
: Service Exhaustion Flood
Kill Chain: impact
T1498.001
: Direct Network Flood
Kill Chain: impact
Malware
APTs Threat Group Associations
Campaigns
Affected Products
cpe:2.3:a:microsoft:office_communicator:*:*:*:*:*:*:*:*
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