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CVE-2021-35535

HIGH
8.1
CVSS Severity Score
EPSS Score0.1490%
EPSS Percentile25.44th
PublishedNov 18, 2021
Last ModifiedNov 21, 2024

Vulnerability Description

Insecure Boot Image vulnerability in Hitachi Energy Relion Relion 670/650/SAM600-IO series allows an attacker who manages to get access to the front network port and to cause a reboot sequences of the device may exploit the vulnerability, where there is a tiny time gap during the booting process where an older version of VxWorks is loaded prior to application firmware booting, could exploit the vulnerability in the older version of VxWorks and cause a denial-of-service on the product. This issue affects: Hitachi Energy Relion 670 Series 2.2.2 all revisions; 2.2.3 versions prior to 2.2.3.3. Hitachi Energy Relion 670/650 Series 2.2.0 all revisions; 2.2.4 all revisions. Hitachi Energy Relion 670/650/SAM600-IO 2.2.1 all revisions.

Affected Platforms (CPE)

πŸ’»
Hitachienergy

Relion 670 Firmware

>= 2.2.3 and <= 2.2.3.3
πŸ’»
Hitachienergy

Relion 670 Firmware

= 2.2.0
πŸ’»
Hitachienergy

Relion 670 Firmware

= 2.2.1
πŸ’»
Hitachienergy

Relion 670 Firmware

= 2.2.2
πŸ’»
Hitachienergy

Relion 670 Firmware

= 2.2.4
πŸ’»
Hitachienergy

Relion 650 Firmware

= 2.2.0
πŸ’»
Hitachienergy

Relion 650 Firmware

= 2.2.1
πŸ’»
Hitachienergy

Relion 650 Firmware

= 2.2.4
πŸ’»
Hitachienergy

Relion Sam600 Io Firmware

= 2.2.1

References & Advisories

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