CVE-2016-6399

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Summary

CVECVE-2016-6399
StatePUBLISHED
Assignercisco
Source PriorityCVE Program / NVD first with legacy fallback
Published2016-09-12 10:59:11 UTC
Updated2026-05-06 22:30:45 UTC
DescriptionCisco ACE30 Application Control Engine Module through A5 3.3 and ACE 4700 Application Control Engine appliances through A5 3.3 allow remote attackers to cause a denial of service (device reload) via crafted (1) SSL or (2) TLS packets, aka Bug ID CSCvb16317.

Risk And Classification

Primary CVSS: v3.0 7.5 HIGH from [email protected]

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

EPSS: 0.007430000 probability, percentile 0.730730000 (date 2026-05-06)

Problem Types: CWE-20 | n/a

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

CVSS v3.0 Breakdown

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

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

CVSS v2.0 Breakdown

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

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Hardware Cisco Ace 4700 Series Application Control Engine Appliance a5\(1.0\) All All All
Hardware Cisco Ace 4700 Series Application Control Engine Appliance a5\(1.1\) All All All
Hardware Cisco Ace 4700 Series Application Control Engine Appliance a5\(1.2\) All All All
Hardware Cisco Ace 4700 Series Application Control Engine Appliance a5\(2.0\) All All All
Hardware Cisco Ace 4700 Series Application Control Engine Appliance a5\(2.1e\) All All All
Hardware Cisco Ace 4700 Series Application Control Engine Appliance a5\(2.1\) All All All
Hardware Cisco Ace 4700 Series Application Control Engine Appliance a5\(3.0\) All All All
Hardware Cisco Ace 4700 Series Application Control Engine Appliance a5_base All All All
Hardware Cisco Ace 4700 Series Application Control Engine Appliance A1 7 All All All
Hardware Cisco Ace 4700 Series Application Control Engine Appliance A1 7a All All All
Hardware Cisco Ace 4700 Series Application Control Engine Appliance A1 7b All All All
Hardware Cisco Ace 4700 Series Application Control Engine Appliance A1 8.0 All All All
Hardware Cisco Ace 4700 Series Application Control Engine Appliance A1 8.0a All All All
Hardware Cisco Ace 4700 Series Application Control Engine Appliance A3 1.0 All All All
Hardware Cisco Ace 4700 Series Application Control Engine Appliance A3 2.0 All All All
Hardware Cisco Ace 4700 Series Application Control Engine Appliance A3 2.2 All All All
Hardware Cisco Ace 4700 Series Application Control Engine Appliance A3 2.3 All All All
Hardware Cisco Ace 4700 Series Application Control Engine Appliance A3 2.4 All All All
Hardware Cisco Ace 4700 Series Application Control Engine Appliance A3 2.5 All All All
Hardware Cisco Ace 4700 Series Application Control Engine Appliance A3 2.6 All All All
Hardware Cisco Ace 4700 Series Application Control Engine Appliance A3 2.7 All All All
Hardware Cisco Ace 4700 Series Application Control Engine Appliance A4 1.0 All All All
Hardware Cisco Ace 4700 Series Application Control Engine Appliance A4 1.1 All All All
Hardware Cisco Ace 4700 Series Application Control Engine Appliance A4 2.0 All All All
Hardware Cisco Ace 4700 Series Application Control Engine Appliance A4 2.1a All All All
Hardware Cisco Ace 4700 Series Application Control Engine Appliance A4 2.2 All All All
Hardware Cisco Ace 4700 Series Application Control Engine Appliance A4 2.3 All All All
Hardware Cisco Ace 4700 Series Application Control Engine Appliance A5 3.1a All All All
Hardware Cisco Ace 4700 Series Application Control Engine Appliance A5 3.1b All All All
Hardware Cisco Ace 4700 Series Application Control Engine Appliance A5 3.2 All All All
Hardware Cisco Ace 4700 Series Application Control Engine Appliance A5 3.3 All All All
Application Cisco Ace Application Control Engine Module A1 7a All All All
Application Cisco Ace Application Control Engine Module A1 7b All All All
Application Cisco Ace Application Control Engine Module A1 8.0 All All All
Application Cisco Ace Application Control Engine Module A1 8.0a All All All
Application Cisco Ace Application Control Engine Module A3 1.0 All All All
Application Cisco Ace Application Control Engine Module A3 2.0 All All All
Application Cisco Ace Application Control Engine Module A3 2.2 All All All
Application Cisco Ace Application Control Engine Module A3 2.3 All All All
Application Cisco Ace Application Control Engine Module A3 2.4 All All All
Application Cisco Ace Application Control Engine Module A3 2.5 All All All
Application Cisco Ace Application Control Engine Module A3 2.6 All All All
Application Cisco Ace Application Control Engine Module A3 2.7 All All All
Application Cisco Ace Application Control Engine Module A4 1.0 All All All
Application Cisco Ace Application Control Engine Module A4 1.1 All All All
Application Cisco Ace Application Control Engine Module A4 2.0 All All All
Application Cisco Ace Application Control Engine Module A4 2.1a All All All
Application Cisco Ace Application Control Engine Module A4 2.2 All All All
Application Cisco Ace Application Control Engine Module A4 2.3 All All All
Application Cisco Ace Application Control Engine Module A5 1.0 All All All
Application Cisco Ace Application Control Engine Module A5 1.1 All All All
Application Cisco Ace Application Control Engine Module A5 1.2 All All All
Application Cisco Ace Application Control Engine Module A5 2.0 All All All
Application Cisco Ace Application Control Engine Module A5 2.1 All All All
Application Cisco Ace Application Control Engine Module A5 2.1e All All All
Application Cisco Ace Application Control Engine Module A5 3.0 All All All
Application Cisco Ace Application Control Engine Module A5 3.1a All All All
Application Cisco Ace Application Control Engine Module A5 3.1b All All All
Application Cisco Ace Application Control Engine Module A5 3.2 All All All
Application Cisco Ace Application Control Engine Module A5 3.3 All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
Cisco ACE30 Application Control Engine Module and Cisco ACE 4710 Application Control Engine Denial of Service Vulnerability af854a3a-2127-422b-91ae-364da2661108 tools.cisco.com Vendor Advisory
Cisco Application Control Engine SSL/TLS Input Validation Flaw Lets Remote Users Cause the Target Device to Reload - SecurityTracker af854a3a-2127-422b-91ae-364da2661108 www.securitytracker.com
Cisco ACE CVE-2016-6399 Denial of Service Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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