title: Uncontrolled Resource Consumption in EFACEC BCU 500
description:
Through the exploitation of active user sessions, an attacker could send custom requests to cause a denial-of-service condition on the device.
problem types: CWE-400 Uncontrolled Resource Consumption
affected:
{
defaultStatus: unaffected
product: BCU 500
vendor: EFACEC
versions:
status: affected, version: version 4.07
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: HIGH
baseScore: 9.6
baseSeverity: CRITICAL
confidentialityImpact: NONE
integrityImpact: HIGH
privilegesRequired: LOW
scope: CHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H
version: 3.1
]
format: CVSS
scenarios: GENERAL
solutions:
EFACEC released BCU 500 versions 4.08 to mitigate this vulnerability.
For more information, contact  EFACEC support https://www.efacec.pt/en/contacts/ .