system
Provide references for <CVE-2021-31399>.
user
Where can I find more information about <CVE-2021-31399>?
assistant
References are available at: https://www.2n.cz/en_GB/products/ip-access-control/2n-access-unit-2, https://excellium-services.com/cert-xlm-advisory/cve-2021-31399/.