Vulnerability identifier: #VU82536

Vulnerability risk: High

CVSSv3.1: 9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:U/RC:C]

CVE-ID: CVE-2023-46661

CWE-ID: CWE-284

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
PolyEco1000 CPU
Hardware solutions / Routers & switches, VoIP, GSM, etc
PolyEco1000 FPGA
Hardware solutions / Routers & switches, VoIP, GSM, etc
PolyEco500 CPU
Hardware solutions / Routers & switches, VoIP, GSM, etc
PolyEco500: CPU FPGA
Hardware solutions / Routers & switches, VoIP, GSM, etc
PolyEco300 CPU
Hardware solutions / Routers & switches, VoIP, GSM, etc
PolyEco300 FPGA
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor: Sielco

Description

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions. A remote attacker can modify passwords in POST requests and gain unauthorized access to the application.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

PolyEco1000 CPU: 1.9.3 - 2.0.6

PolyEco1000 FPGA: 10.19

PolyEco500 CPU: 1.7.0

PolyEco500: CPU FPGA: 10.16

PolyEco300 CPU: 2.0.0 - 2.0.2

PolyEco300 FPGA: 10.19

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External links
http://www.cisa.gov/news-events/ics-advisories/icsa-23-299-07

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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.