Moxa UC Command Line Option improper physical access control

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Moxa UC. Affected by this issue is some unknown functionality of the component Command Line Option Handler. This manipulation causes improper physical access control. This vulnerability appears as CVE-2023-1257. It is feasible to perform the attack on the physical device. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Moxa UC (Automation Software) (affected version not known). Affected by this vulnerability is some unknown functionality of the component Command Line Option Handler. The manipulation with an unknown input leads to a improper physical access control vulnerability. The CWE definition for the vulnerability is CWE-1263. The product is designed with access restricted to certain information, but it does not sufficiently protect against an unauthorized actor with physical access to these areas. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

An attacker with physical access to the affected Moxa UC Series devices can initiate a restart of the device and gain access to its BIOS. Command line options can then be altered, allowing the attacker to access the terminal. From the terminal, the attacker can modify the device’s authentication files to create a new user and gain full access to the system.

The weakness was presented 03/08/2023 as icsa-22-333-04. The advisory is shared at cisa.gov. This vulnerability is known as CVE-2023-1257 since 03/07/2023. Neither technical details nor an exploit are publicly available.

Upgrading eliminates this vulnerability.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.2
VulDB Meta Temp Score: 7.0

VulDB Base Score: 6.8
VulDB Temp Score: 6.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.6
CNA Vector (ICS-CERT): 🔍

CVSSv2info

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

Exploitinginfo

Class: Improper physical access control
CWE: CWE-1263 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Yes
Local: Yes
Remote: No

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: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/07/2023 🔍
03/08/2023 +1 days 🔍
03/08/2023 +0 days 🔍
03/08/2023 +0 days 🔍

Sourcesinfo

Vendor: moxa.com

Advisory: icsa-22-333-04
Status: Confirmed

CVE: CVE-2023-1257 (🔍)
GCVE (CVE): GCVE-0-2023-1257
GCVE (VulDB): GCVE-100-222553

Entryinfo

Created: 03/08/2023 09:13
Changes: 03/08/2023 09:13 (49)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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