VDB-174776 · CVE-2021-25849 · GCVE-0-2021-25849

Moxa Camera VPort 06EC-2V 1.1 LLDP Packet userdisk/vport_lldpd integer underflow

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.
3.5	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical was found in Moxa Camera VPort 06EC-2V 1.1. This affects an unknown function of the file userdisk/vport_lldpd of the component LLDP Packet Handler. Such manipulation leads to integer underflow. This vulnerability is documented as CVE-2021-25849. There is not any exploit available.

Detailsinfo

A vulnerability was found in Moxa Camera VPort 06EC-2V 1.1 (Automation Software) and classified as problematic. Affected by this issue is an unknown function of the file userdisk/vport_lldpd of the component LLDP Packet Handler. The manipulation with an unknown input leads to a integer underflow vulnerability. Using CWE to declare the problem leads to CWE-191. The product subtracts one value from another, such that the result is less than the minimum allowable integer value, which produces a value that is not equal to the correct result. Impacted is availability.

The weakness was released 05/10/2021. The advisory is shared for download at moxa.com. This vulnerability is handled as CVE-2021-25849. There are known technical details, but no exploit is available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Automation Software

Vendor

Moxa

Name

Camera VPort 06EC-2V

Version

License

commercial

Website

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

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.5

VulDB Base Score: 3.5
VulDB Temp Score: 3.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
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Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Integer underflow
CWE: CWE-191 / CWE-189
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/22/2021 🔍
05/10/2021 +107 days 🔍
05/10/2021 +0 days 🔍
05/13/2021 +3 days 🔍

Sourcesinfo

Vendor: moxa.com

Advisory: moxa.com
Status: Confirmed

CVE: CVE-2021-25849 (🔍)
GCVE (CVE): GCVE-0-2021-25849
GCVE (VulDB): GCVE-100-174776

Entryinfo

Created: 05/10/2021 21:12
Updated: 05/13/2021 08:17
Changes: 05/10/2021 21:12 (38), 05/13/2021 08:17 (2)
Complete: 🔍
Cache ID: 216::103