CVE-2021-35535
6.8 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
8.1 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
7.8 High
AI Score
Confidence
High
0.002 Low
EPSS
Percentile
58.4%
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 configurations
CNA Affected
[
{
"product": "Relion 670 Series",
"vendor": "Hitachi Energy",
"versions": [
{
"status": "affected",
"version": "2.2.2 all revisions"
},
{
"lessThan": "2.2.3.3",
"status": "affected",
"version": "2.2.3",
"versionType": "custom"
}
]
},
{
"product": "Relion 670/650 Series",
"vendor": "Hitachi Energy",
"versions": [
{
"status": "affected",
"version": "2.2.0 all revisions"
},
{
"status": "affected",
"version": "2.2.4 all revisions"
}
]
},
{
"product": "Relion 670/650/SAM600-IO",
"vendor": "Hitachi Energy",
"versions": [
{
"status": "affected",
"version": "2.2.1 all revisions"
}
]
}
]Related
6.8 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
8.1 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
7.8 High
AI Score
Confidence
High
0.002 Low
EPSS
Percentile
58.4%