9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.6 High
AI Score
Confidence
High
0.003 Low
EPSS
Percentile
68.2%
Controller may be loaded with malicious firmware which could enable remote code execution. See Honeywell Security Notification for recommendations on upgrading and versioning.
[
{
"defaultStatus": "unaffected",
"platforms": [
"Experion PKS"
],
"product": "C300",
"vendor": "Honeywell",
"versions": [
{
"lessThanOrEqual": "501.6HF8",
"status": "affected",
"version": "501.1",
"versionType": "semver"
},
{
"lessThanOrEqual": "510.2HF12",
"status": "affected",
"version": "510.1",
"versionType": "semver"
},
{
"lessThanOrEqual": "511.5TCU3",
"status": "affected",
"version": "511.1",
"versionType": "semver"
},
{
"lessThanOrEqual": "520.1TCU4",
"status": "affected",
"version": "520.1",
"versionType": "semver"
},
{
"lessThanOrEqual": "520.2TCU2",
"status": "affected",
"version": "520.2",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"platforms": [
"Experion LX",
"Experion PlantCruise"
],
"product": "C300",
"vendor": "Honeywell",
"versions": [
{
"lessThanOrEqual": "511.5TCU3",
"status": "affected",
"version": "510.1",
"versionType": "semver"
},
{
"lessThanOrEqual": "520.1TCU4",
"status": "affected",
"version": "520.1",
"versionType": "semver"
},
{
"lessThanOrEqual": "520.2TCU2",
"status": "affected",
"version": "520.2",
"versionType": "semver"
}
]
}
]
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.6 High
AI Score
Confidence
High
0.003 Low
EPSS
Percentile
68.2%