CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
HIGH
Availability Impact
LOW
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:H/A:L
AI Score
Confidence
High
EPSS
Percentile
55.7%
Baicells Nova 227, Nova 233, and Nova 243 LTE TDD eNodeB and Nova 246 devices with firmware through RTS/RTD 3.6.6 are vulnerable to remote shell code exploitation via HTTP command injections. Commands are executed using pre-login execution and executed with root permissions. The following methods below have been tested and validated by a 3rd party analyst and has been confirmed exploitable special thanks to Rustam Amin for providing the steps to reproduce.
[
{
"defaultStatus": "unaffected",
"modules": [
"3.6.6"
],
"platforms": [
"RTS",
"RTD"
],
"product": "Nova 227",
"vendor": "Baicells",
"versions": [
{
"changes": [
{
"at": "3.7.11.6",
"status": "unaffected"
}
],
"lessThanOrEqual": "3.6.6",
"status": "affected",
"version": "0",
"versionType": "patch"
}
]
},
{
"defaultStatus": "unaffected",
"modules": [
"3.6.6"
],
"platforms": [
"RTS",
"RTD"
],
"product": "Nova 233",
"vendor": "Baicells",
"versions": [
{
"changes": [
{
"at": "3.7.11.6",
"status": "unaffected"
}
],
"lessThanOrEqual": "3.6.6",
"status": "affected",
"version": "0",
"versionType": "patch"
}
]
},
{
"defaultStatus": "unaffected",
"modules": [
"3.6.6"
],
"platforms": [
"RTS",
"RTD"
],
"product": "Nova 246",
"vendor": "Baicells",
"versions": [
{
"changes": [
{
"at": "3.7.11.6",
"status": "unaffected"
}
],
"lessThanOrEqual": "3.6.6",
"status": "affected",
"version": "0",
"versionType": "patch"
}
]
}
]
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
HIGH
Availability Impact
LOW
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:H/A:L
AI Score
Confidence
High
EPSS
Percentile
55.7%