CVE-2016-6447

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Summary

CVECVE-2016-6447
StatePUBLISHED
Assignercisco
Source PriorityCVE Program / NVD first with legacy fallback
Published2016-11-03 21:59:04 UTC
Updated2026-05-06 22:30:45 UTC
DescriptionA vulnerability in Cisco Meeting Server and Meeting App could allow an unauthenticated, remote attacker to execute arbitrary code on an affected system. This vulnerability affects the following products: Cisco Meeting Server releases prior to 2.0.1, Acano Server releases prior to 1.8.16 and prior to 1.9.3, Cisco Meeting App releases prior to 1.9.8, Acano Meeting Apps releases prior to 1.8.35. More Information: CSCva75942 CSCvb67878. Known Affected Releases: 1.81.92.0.

Risk And Classification

Primary CVSS: v3.0 9.8 CRITICAL from [email protected]

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.075880000 probability, percentile 0.918920000 (date 2026-05-10)

Problem Types: CWE-119 | unspecified

VersionSourceTypeScoreSeverityVector
3.0[email protected]Primary9.8CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
2.0[email protected]Primary7.5AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS v3.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Cisco Meeting App 1.8.0 All All All
Application Cisco Meeting App 1.9.0 All All All
Application Cisco Meeting Server 1.8_base All All All
Application Cisco Meeting Server 1.9.0 All All All
Application Cisco Meeting Server 2.0.0 All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na Cisco Meeting Server Before 2.0.1 Acano Server Before 1.9.3 Cisco Meeting App Before 1.9.8 Acano Meeting Apps Before 1.8.35 affected Cisco Meeting Server before 2.0.1, Acano Server before 1.9.3, Cisco Meeting App before 1.9.8, Acano Meeting Apps before 1.8.35 Not specified

References

ReferenceSourceLinkTags
Cisco Meeting Server and Meeting App CVE-2016-6447 Buffer Underflow Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
Cisco Meeting Server and Meeting App Buffer Underflow Vulnerability af854a3a-2127-422b-91ae-364da2661108 tools.cisco.com Vendor Advisory
Cisco Meeting Server Buffer Underflow in Processing IPv6 Data Lets Remote Users Execute Arbitrary Code - SecurityTracker af854a3a-2127-422b-91ae-364da2661108 www.securitytracker.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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