description: In Arista's MOS (Metamako Operating System) software which is supported on the 7130 product line, under certain conditions, user authentication can be bypassed when API access is enabled via the JSON-RPC APIs. This issue affects: Arista Metamako Operating System All releases in the MOS-0.1x train MOS-0.13 and post releases in the MOS-0.1x train MOS-0.26.6 and below releases in the MOS-0.2x train MOS-0.31.1 and below releases in the MOS-0.3x train
problem types: CWE-287 Improper Authentication
affected:
{
platforms: Arista 7130 Systems running MOS
product: Metamako Operating System
vendor: Arista
versions:
lessThan: MOS-0.13*, status: affected, version: MOS-0.13, versionType: custom
lessThan: MOS-0.26.7, status: affected, version: MOS-0.26.7, versionType: custom
lessThan: MOS-0.32.0, status: affected, version: MOS-0.32.0, versionType: custom
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: LOW
baseScore: 7.2
baseSeverity: HIGH
confidentialityImpact: NONE
integrityImpact: LOW
privilegesRequired: NONE
scope: CHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:L
version: 3.1
]
solutions: Upgrade to MOS-0.26.7 or MOS-0.32.0