Vulnerability identifier: #VU83898

Vulnerability risk: Low

CVSSv3.1: 4.7 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-4957

CWE-ID: CWE-288

Exploitation vector: Local network

Exploit availability: No

Vulnerable software:
ZTC Industrial ZT410
Hardware solutions / Office equipment, IP-phones, print servers
ZTC Desktop GK420d
Hardware solutions / Office equipment, IP-phones, print servers
Link-OS
Operating systems & Components / Operating system

Vendor: Zebra

Description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to an authentication bypass using an alternate path. A remote attacker on the local network can send a specially crafted POST request to the setvarsResults.cgi file and change the username and password for the web page.

Mitigation
Install update from vendor's website.

Vulnerable software versions

ZTC Industrial ZT410: All versions

ZTC Desktop GK420d: All versions

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External links
http://www.incibe.es/en/incibe-cert/notices/aviso-sci/authentication-bypass-zebra-ztc
http://www.cisa.gov/news-events/ics-advisories/icsa-23-339-01

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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 local network (LAN).

Is there known malware, which exploits this vulnerability?

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