title: B426 Web Configuration Authentication Bypass
description: This vulnerability could allow an attacker to hijack a session while a user is logged in the configuration web page. This vulnerability was discovered by a security researcher in B426 and found during internal product tests in B426-CN/B429-CN, and B426-M and has been fixed already starting from version 3.08 on, which was released on June 2019.
problem types: CWE-284 Improper Access Control
affected:
{
product: B426 Firmware
vendor: Bosch
versions:
lessThan: 03.08, status: affected, version: unspecified, versionType: custom
}
{
product: B426-CN/B429- CN Firmware
vendor: Bosch
versions:
lessThan: 03.08, status: affected, version: unspecified, versionType: custom
}
{
product: B426-M Firmware
vendor: Bosch
versions:
lessThan: 03.10, status: affected, version: unspecified, versionType: custom
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: HIGH
baseScore: 8
baseSeverity: HIGH
confidentialityImpact: HIGH
integrityImpact: HIGH
privilegesRequired: LOW
scope: UNCHANGED
userInteraction: REQUIRED
vectorString: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
version: 3.1
]