description: An improper authentication vulnerability [CWE-287] in FortiOS versions 7.4.1 and below, versions 7.2.6 and below, and versions 7.0.12 and below when configured with FortiAuthenticator in HA may allow a readonly user to gain read-write access via successive login attempts.
problem types: Escalation of privilege
affected:
{
vendor: Fortinet
product: FortiOS
defaultStatus: unaffected
versions:
versionType: semver, version: 7.4.0, lessThanOrEqual: 7.4.1, status: affected
versionType: semver, version: 7.2.0, lessThanOrEqual: 7.2.6, status: affected
versionType: semver, version: 7.0.0, lessThanOrEqual: 7.0.12, status: affected
}
metrics:
format: CVSS
cvssV3_1: [
version: 3.1
attackComplexity: HIGH
attackVector: NETWORK
availabilityImpact: HIGH
baseScore: 6.7
baseSeverity: MEDIUM
confidentialityImpact: HIGH
integrityImpact: HIGH
privilegesRequired: LOW
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C
]
solutions: Please upgrade to FortiOS 7.4.2 or above
Please upgrade to FortiOS 7.2.7 or above
Please upgrade to ForitOS 7.0.13 or above
Workaround- Disable push notifications for FortiAuthenticator:
For RADIUS Authentication (From FortiAuthenticator)- ## RADIUS Service > Policies > (select policy) > Authentication Factors > Advanced Options >
## Allow FortiToken Mobile push notifications
(*disable)*