VDB-96920 · CVE-2016-9367 · BID 85965

Moxa NPort resource consumption

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.7	$0-$5k	0.00

Summaryinfo

A vulnerability described as problematic has been identified in Moxa NPort. Affected is an unknown function. Such manipulation leads to resource consumption. This vulnerability is referenced as CVE-2016-9367. It is possible to launch the attack remotely. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Moxa NPort (Automation Software) (unknown version). It has been rated as problematic. Affected by this issue is an unknown code block. The manipulation with an unknown input leads to a resource consumption vulnerability. Using CWE to declare the problem leads to CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. Impacted is availability. CVE summarizes:

An issue was discovered in Moxa NPort 5110 versions prior to 2.6, NPort 5130/5150 Series versions prior to 3.6, NPort 5200 Series versions prior to 2.8, NPort 5400 Series versions prior to 3.11, NPort 5600 Series versions prior to 3.7, NPort 5100A Series & NPort P5150A versions prior to 1.3, NPort 5200A Series versions prior to 1.3, NPort 5150AI-M12 Series versions prior to 1.2, NPort 5250AI-M12 Series versions prior to 1.2, NPort 5450AI-M12 Series versions prior to 1.2, NPort 5600-8-DT Series versions prior to 2.4, NPort 5600-8-DTL Series versions prior to 2.4, NPort 6x50 Series versions prior to 1.13.11, NPort IA5450A versions prior to v1.4. The amount of resources requested by a malicious actor is not restricted, leading to a denial-of-service caused by resource exhaustion.

The bug was discovered 12/01/2016. The weakness was published 02/13/2017 (Website). The advisory is shared for download at securityfocus.com. This vulnerability is handled as CVE-2016-9367 since 11/16/2016. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1499.

The vulnerability was handled as a non-public zero-day exploit for at least 74 days. During that time the estimated underground price was around $0-$5k.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 85965†). Similar entries are available at VDB-96905, VDB-96914, VDB-96916 and VDB-96918. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Automation Software

Vendor

Moxa

Name

NPort

License

commercial

Website

Vendor: https://www.moxa.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 6.7

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

ADP CISA Base Score: 7.5
ADP CISA Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Resource consumption
CWE: CWE-400 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

OpenVAS ID: 800798
OpenVAS Name: Moxa NPort Devices Multiple Vulnerabilities
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/08/2016 🔍
11/16/2016 +222 days 🔍
12/01/2016 +15 days 🔍
02/13/2017 +74 days 🔍
02/13/2017 +0 days 🔍
02/14/2017 +1 days 🔍
06/03/2026 +3395 days 🔍

Sourcesinfo

Vendor: moxa.com

Advisory: securityfocus.com⛔
Status: Confirmed

CVE: CVE-2016-9367 (🔍)
GCVE (CVE): GCVE-0-2016-9367
GCVE (VulDB): GCVE-100-96920
SecurityFocus: 85965 - Multiple Moxa NPort Products ICSA-16-336-02 Multiple Security Vulnerabilities

See also: 🔍

Entryinfo

Created: 02/14/2017 09:16
Updated: 06/03/2026 00:49
Changes: 02/14/2017 09:16 (62), 12/29/2019 11:25 (4), 06/03/2026 00:49 (31)
Complete: 🔍
Cache ID: 216::103

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