#VU83898 Authentication bypass using an alternate path or channel in Zebra products - CVE-2023-4957

Vulnerability identifier: #VU83898

Vulnerability risk: Low

CVSSv4.0: 1.3 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

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

Link-OS: before 6.0

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External links
https://www.incibe.es/en/incibe-cert/notices/aviso-sci/authentication-bypass-zebra-ztc
https://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.