title: Predictable SSH credentials in Priva TopControl Suite
description: The Priva TopControl Suite contains predictable credentials for the SSH service, based on the Serial number. Which makes it possible for an attacker to calculate the login credentials for the Priva TopControll suite.
problem types: CWE-1391 Use of Weak Credentials
affected:
{
vendor: Priva
product: TopControl Suite - Bacnet
versions:
status: affected, version: All versions prior to 8.7.8.0, lessThan:  8.7.8.0, versionType: y.x.z.z
defaultStatus: unaffected
}
{
vendor: Priva
product: TopControl Suite - Blue ID
versions:
status: affected, version: All versions prior to 8.7.8.0, lessThan: 8.7.8.0, versionType: y.x.z
defaultStatus: unaffected
}
{
vendor: Priva
product: TopControl Suite - Compass
versions:
status: affected, version: All versions prior to 8.7.8.0, lessThan: 8.7.8.0, versionType: y.x.z
defaultStatus: unaffected
}
{
vendor: Priva
product: TopControl Suite - Connect
versions:
status: affected, version: All versions prior to 8.7.8.0, lessThan: 8.7.8.0, versionType: y.x.z
defaultStatus: unaffected
}
{
vendor: Priva
product: TopControl Suite - TPC
versions:
status: affected, version: All versions prior to 8.7.8.0, lessThan: 8.7.8.0, versionType: y.x.z
defaultStatus: unaffected
}
metrics:
format: CVSS
scenarios: GENERAL
cvssV3_1: [
version: 3.1
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: NONE
availabilityImpact: NONE
baseSeverity: HIGH
baseScore: 7.5
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
]
solutions: Priva recommends users to contact their  support team https://www.priva.com/buildings/solutions/priva-building-operator#section-04  to upgrade to TopControl Suite version 8.7.8.0 or later.
Minimize network exposure for all control system devices and/or systems, ensure that they are not directly accessible from the internet.