title: Unauthorized data access from replicas through vulnerable instance manager pods
description: A Missing Authentication for Critical Function vulnerability in longhorn of SUSE Longhorn allows attackers to connect to a longhorn-engine replica instance granting it the ability to read and write data to and from a replica that they should not have access to. This issue affects: SUSE Longhorn longhorn versions prior to 1.1.3; longhorn versions prior to 1.2.3v.
problem types: CWE-306: Missing Authentication for Critical Function
affected:
{
vendor: SUSE
product: Longhorn
versions:
version: longhorn, status: affected, lessThan: 1.1.3, versionType: custom
}
{
vendor: SUSE
product: Longhorn
versions:
version: longhorn, status: affected, lessThan: 1.2.3v, versionType: custom
}
metrics:
cvssV3_1: [
version: 3.1
vectorString: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
attackVector: ADJACENT_NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: NONE
baseScore: 8.1
baseSeverity: HIGH
]