CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
AI Score
Confidence
High
EPSS
Percentile
30.4%
A missing secure communication definition and an incomplete TLS validation in the upgrade service in B&R Automation Studio versions 4.0.x, 4.1.x, 4.2.x, < 4.3.11SP, < 4.4.9SP, < 4.5.5SP, < 4.6.4 and < 4.7.2 enable unauthenticated users to perform MITM attacks via the B&R upgrade server.
[
{
"product": "Automation Studio",
"vendor": "B&R",
"versions": [
{
"status": "affected",
"version": "4.0.x"
},
{
"status": "affected",
"version": "4.1.x"
},
{
"status": "affected",
"version": "4.2.x"
},
{
"status": "affected",
"version": "< 4.3.11SP"
},
{
"status": "affected",
"version": "< 4.4.9SP"
},
{
"status": "affected",
"version": "< 4.5.5SP"
},
{
"status": "affected",
"version": "< 4.6.3SP"
},
{
"status": "affected",
"version": "< 4.7.2"
}
]
}
]
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
AI Score
Confidence
High
EPSS
Percentile
30.4%