title: Authenticated RCE on project configuration import in Guardian/CMC before 22.0.0
description: Improper Input Validation vulnerability in project file upload in Nozomi Networks Guardian and CMC allows an authenticated attacker with admin or import manager roles to execute unattended commands on the appliance using web server user privileges. This issue affects: Nozomi Networks Guardian versions prior to 22.0.0. Nozomi Networks CMC versions prior to 22.0.0.
problem types: CWE-20 Improper Input Validation
affected:
{
product: Guardian
vendor: Nozomi Networks
versions:
lessThan: 22.0.0, status: affected, version: unspecified, versionType: custom
}
{
product: CMC
vendor: Nozomi Networks
versions:
lessThan: 22.0.0, status: affected, version: unspecified, versionType: custom
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: LOW
baseScore: 6.3
baseSeverity: MEDIUM
confidentialityImpact: LOW
integrityImpact: LOW
privilegesRequired: LOW
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
version: 3.1
]
solutions: Upgrade to v22.0.0.
workarounds: Use internal firewall features to limit management interface access and review users allowed to import project data files.