There is a flaw in the code used to configure the internal gateway firewall when the gateway's VLAN feature is enabled. If a user enables the VLAN setting, the internal gateway firewall becomes disabled resulting in exposure of all ports used by the gateway.
References
Link Resource
https://us-cert.cisa.gov/ics/advisories/icsa-20-135-02 Third Party Advisory US Government Resource
History

No history.

cve-icon MITRE Information

Status: PUBLISHED

Assigner: icscert

Published: 2021-09-29T19:36:38

Updated: 2021-09-29T19:36:38

Reserved: 2020-04-21T00:00:00


Link: CVE-2020-12030

JSON object: View

cve-icon NVD Information

Status : Analyzed

Published: 2021-09-29T20:15:07.870

Modified: 2022-07-08T18:20:47.457


Link: CVE-2020-12030

JSON object: View

cve-icon Redhat Information

No data.