CVE-2021-35535CWE-1188

Insufficient Security Control Vulnerability

High · published November 18, 2021

CVSS v3.1
8.1
EPSS
1%
Percentile
51.3
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
8.1 · HIGH
Vector
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00667 · 51.3th percentile
Weakness
CWE-1188 · Initialization of a Resource with an Insecure Default
Published
2021-11-18T15:53Z
EPSS history
Timeline
  • 18 NOV 15:53Z
    Insufficient Security Control Vulnerability
    cvelistv5