title: Hard Coded Credential Crypt Vulnerability
description: Baicells Nova 227, Nova 233, and Nova 243 LTE TDD eNodeB devices with firmware through RTS/RTD 3.7.11.3 have hardcoded credentials that are easily discovered and can be used by remote attackers to authenticate via ssh. (The credentials are stored in the firmware, encrypted by the crypt function.)
problem types: CWE-284: Improper Access Control
affected:
{
defaultStatus: unaffected
packageName: 3.7.11.3
platforms: RTS
product: Nova 227
vendor: Baicells
versions:
changes: [at: 3.7.11.6, status: unaffected], lessThanOrEqual: 3.7.11.3, status: affected, version: 0, versionType: patch
}
{
defaultStatus: unaffected
packageName: 3.7.11.3
platforms: RTS
product: Nova 233
vendor: Baicells
versions:
changes: [at: 3.7.11.6, status: unaffected], lessThanOrEqual: 3.7.11.3, status: affected, version: 0, versionType: patch
}
{
defaultStatus: unaffected
packageName: 3.7.11.3
platforms: RTS
product: Nova 243
vendor: Baicells
versions:
changes: [at: 3.7.11.6 , status: unaffected], lessThanOrEqual: 3.7.11.3, status: affected, version: 0, versionType: patch
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: LOW
baseScore: 10
baseSeverity: CRITICAL
confidentialityImpact: HIGH
integrityImpact: HIGH
privilegesRequired: NONE
scope: CHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:L
version: 3.1
]
format: CVSS
scenarios: GENERAL
solutions: Baicells recommends that all customers currently running an earlier version of RTS/RTD upgrade their products to the 3.7.11.6 firmware.