Privilege escalation in Moxa devices



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-3088
CWE-ID CWE-269
Exploitation vector Local
Public exploit N/A
Vulnerable software
 UC-8100A-ME-T
Hardware solutions / Routers & switches, VoIP, GSM, etc

UC-2100
Hardware solutions / Routers & switches, VoIP, GSM, etc

UC-2100-W
Hardware solutions / Routers & switches, VoIP, GSM, etc

UC-3100
Hardware solutions / Routers & switches, VoIP, GSM, etc

UC-5100
Hardware solutions / Routers & switches, VoIP, GSM, etc

UC-8100
Hardware solutions / Routers & switches, VoIP, GSM, etc

UC-8100-ME-T
Hardware solutions / Routers & switches, VoIP, GSM, etc

UC-8200
Hardware solutions / Routers & switches, VoIP, GSM, etc

AIG-300
Hardware solutions / Routers & switches, VoIP, GSM, etc

UC-8410A
Hardware solutions / Routers & switches, VoIP, GSM, etc

UC-8580
Hardware solutions / Routers & switches, VoIP, GSM, etc

UC-8540
Hardware solutions / Routers & switches, VoIP, GSM, etc

DA-662C-16-LX
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor Moxa

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Improper Privilege Management

EUVDB-ID: #VU69480

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-3088

CWE-ID: CWE-269 - Improper Privilege Management

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges.

The vulnerability exists due to improper privilege management. A local user can escalate privileges.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

UC-8100A-ME-T: - - 1.6

UC-2100: - - 1.12

UC-2100-W: - - 1.12

UC-3100: - - 1.6

UC-5100: - - 1.4

UC-8100: - - 3.5

UC-8100-ME-T: 3.0 - 3.1

UC-8200: - - 1.5

AIG-300: - - 1.4

UC-8410A: - - 4.1.2

UC-8580: 2.0 - 2.1

UC-8540: 2.0 - 2.1

DA-662C-16-LX: - - 1.1.2

CPE2.3 External links

https://www.moxa.com/en/support/product-support/security-advisory/arm-based-computer-improper-privilege-management-vulnerability


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected device in order to exploit this vulnerability.

The attacker would have to login to the system and perform certain actions in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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