Moxa TN-4900/TN-5900 up to 3.3 command injection

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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9.1$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Moxa TN-4900 and TN-5900 up to 3.3. This impacts an unknown function. Executing a manipulation can lead to command injection. This vulnerability is registered as CVE-2023-33239. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability was found in Moxa TN-4900 and TN-5900 up to 3.3 (Automation Software). It has been declared as critical. This vulnerability affects some unknown functionality. The manipulation with an unknown input leads to a command injection vulnerability. The CWE definition for the vulnerability is CWE-77. The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

TN-4900 Series firmware versions v1.2.4 and prior and TN-5900 Series firmware versions v3.3 and prior are vulnerable to the command injection vulnerability. This vulnerability stems from insufficient input validation in the key-generation function, which could potentially allow malicious users to execute remote code on affected devices.

The weakness was published 08/17/2023. The advisory is shared for download at moxa.com. This vulnerability was named CVE-2023-33239 since 05/19/2023. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 09/13/2023). The MITRE ATT&CK project declares the attack technique as T1202.

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

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.1
VulDB Meta Temp Score: 9.1

VulDB Base Score: 8.8
VulDB Temp Score: 8.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CNA Base Score: 8.8
CNA Vector (Moxa Inc.): 🔍

CVSSv2info

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

Exploitinginfo

Class: Command injection
CWE: CWE-77 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

05/19/2023 🔍
08/17/2023 +90 days 🔍
08/17/2023 +0 days 🔍
09/13/2023 +27 days 🔍

Sourcesinfo

Vendor: moxa.com

Advisory: moxa.com
Status: Confirmed

CVE: CVE-2023-33239 (🔍)
GCVE (CVE): GCVE-0-2023-33239
GCVE (VulDB): GCVE-100-237400

Entryinfo

Created: 08/17/2023 10:31
Updated: 09/13/2023 08:12
Changes: 08/17/2023 10:31 (48), 09/13/2023 08:12 (11)
Complete: 🔍
Cache ID: 216::103

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