CVE-2020-6994 – A vulnerability in the HTTP(S) web server of HiOS and HiSecOS devices could allow an unauthenticated, remote actor to overflow a buffer and fully compromise the target device.
The vulnerability is due to improper parsing of URL arguments. An attacker could exploit this vulnerability by specially crafting HTTP requests to overflow an internal buffer.
Full compromise of target device
Hirschmann Automation and Control GmbH
The following devices using HiOS Version 07.0.02 and lower are affected: RSP
The following devices using HiSecOS Version 03.2.00 and lower are affected: EAGLE20/30