title: Bitdefender BOX v2 bootstrap update_setup command execution vulnerability (VA-2226)
description: An exploitable command execution vulnerability exists in the recovery partition of Bitdefender BOX 2, version 2.0.1.91. The API method `/api/update_setup` does not perform firmware signature checks atomically, leading to an exploitable race condition (TOCTTOU) that allows arbitrary execution of system commands. This issue affects: Bitdefender Bitdefender BOX 2 versions prior to 2.1.47.36.
problem types: CWE-413: Improper Resource Locking
affected:
{
product: Bitdefender BOX 2
vendor: Bitdefender
versions:
lessThan: 2.1.47.36, status: affected, version: unspecified, versionType: custom
}
metrics:
cvssV3_1: [
attackComplexity: HIGH
attackVector: ADJACENT_NETWORK
availabilityImpact: HIGH
baseScore: 8.3
baseSeverity: HIGH
confidentialityImpact: HIGH
integrityImpact: HIGH
privilegesRequired: NONE
scope: CHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
version: 3.1
]
solutions: Updating to firmware version 2.1.47.36 resolves this issue.