Hitachi ABB Power Grids AFS Series Loop with Unreachable Exit Condition (CVE-2020-9307)

Hirschmann OS2, RSP, and RSPE devices before HiOS 08.3.00 allow a denial of service. An unauthenticated, adjacent attacker can cause an infinite loop on one of the HSR ring ports of the device. This effectively breaks the redundancy of the HSR ring. If the attacker can perform the same attack on ...

CVE-2020-9307

CVE-2020-9307 affects Hirschmann OS2, RSP, and RSPE devices prior to HiOS 08.3.00. An unauthenticated, adjacent attacker can cause an infinite loop on an HSR ring port, breaking the redundancy of the HSR ring; if two devices are targeted, the ring can split into two isolated segments, disrupting ...