Overly permissive cross-domain whitelist in Lynx 206-F2G - CVE-2023-45213
Published: January 24, 2024
Vulnerability identifier: #VU85751
CSH Severity: Low
CVSSv4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-45213
CWE-ID: CWE-942
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerable software:
Lynx 206-F2G
Lynx 206-F2G
Software vendor:
Westermo
Westermo
Description
The vulnerability allows a remote attacker to bypass the CORS protection mechanism.
The vulnerability exists due to incorrect processing of the "Origin" HTTP header that is supplied within HTTP request. A remote attacker on the local network can supply arbitrary value via the "Origin" HTTP header, bypass implemented CORS protection mechanism and perform cross-site scripting attacks against the vulnerable application.
Remediation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.