Vulnerability identifier: #VU82734

Vulnerability risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-4452

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Moxa EDR-810
Server applications / SCADA systems
EDR-G902 Series
Hardware solutions / Routers & switches, VoIP, GSM, etc
EDR-G903 Series
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor: Moxa

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error. A remote attacker can trigger memory corruption and cause a denial of service condition on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Moxa EDR-810: 5.12.28

EDR-G902 Series: 5.7.20

EDR-G903 Series: 5.7.20

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External links
http://www.moxa.com/en/support/product-support/security-advisory/mpsa-234880-edr-810-g902-g903-series-web-server-buffer-overflow-vulnerability

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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