title: Incorrect calculation in Enbra EWM does not report backflows or no flow events
description: In Enbra EWM in Version 1.7.29 together with several tested wireless M-Bus Sensors the events backflow and "no flow" are not reconized or misinterpreted. This may lead to wrong values and missing events.
problem types: CWE-682 Incorrect Calculation
affected:
{
product: AT-WMBUS-16-2
vendor: Enbra
versions:
status: affected, version: all
}
{
product: ER-AM DN 15
vendor: Enbra
versions:
status: affected, version: ER-AM DN 15/SV all
status: affected, version: ER-AM DN 15/TV all
}
{
product: EWM 1.7.29
vendor: Enbra
versions:
status: affected, version: 03.11.2019
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: LOCAL
availabilityImpact: NONE
baseScore: 6.2
baseSeverity: MEDIUM
confidentialityImpact: NONE
integrityImpact: HIGH
privilegesRequired: NONE
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
version: 3.1
]