Moxa NPort IA5000A cleartext transmission

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CVSS Meta Temp Score
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CTI Interest Score
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3.1$0-$5k0.00

A vulnerability, which was classified as problematic, has been found in Moxa NPort IA5000A (Automation Software) (unknown version). This issue affects some unknown processing. The manipulation with an unknown input leads to a weak encryption vulnerability. Using CWE to declare the problem leads to CWE-319. Impacted is confidentiality. The summary by CVE is:

Cleartext transmission of sensitive information via Moxa Service in NPort IA5000A series serial devices. Successfully exploiting the vulnerability could enable attackers to read authentication data, device configuration, and other sensitive data transmitted over Moxa Service.

The weakness was presented 05/15/2021. It is possible to read the advisory at ics-cert.kaspersky.com. The identification of this vulnerability is CVE-2020-27185 since 10/16/2020. The exploitation is known to be difficult. Access to the local network is required for this attack to succeed. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1552 according to MITRE ATT&CK.

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

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CPE 2.3infoedit

CPE 2.2infoedit

CVSSv3infoedit

VulDB Meta Base Score: 3.1
VulDB Meta Temp Score: 3.1

VulDB Base Score: 3.1
VulDB Temp Score: 3.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2infoedit

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfoedit

Class: Weak encryption
CWE: CWE-319
ATT&CK: T1552

Local: No
Remote: Partially

Availability: 🔒
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfoedit

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

Countermeasuresinfoedit

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfoedit

10/16/2020 CVE assigned
05/15/2021 +211 days Advisory disclosed
05/15/2021 +0 days VulDB entry created
05/20/2021 +4 days VulDB last update

Sourcesinfoedit

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

Advisory: ics-cert.kaspersky.com
Status: Not defined
Confirmation: 🔒

CVE: CVE-2020-27185 (🔒)

Entryinfoedit

Created: 05/15/2021 06:25 PM
Updated: 05/20/2021 12:27 AM
Changes: (2) source_cve_assigned source_cve_nvd_summary
Complete: 🔍

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