description: A insufficient verification of data authenticity vulnerability [CWE-345] in FortiAnalyzer version 7.4.0 and below 7.2.3 allows a remote unauthenticated attacker to send messages to the syslog server of FortiAnalyzer via the knoweldge of an authorized device serial number.
problem types: Improper access control
affected:
{
vendor: Fortinet
product: FortiAnalyzer
defaultStatus: unaffected
versions:
version: 7.4.0, status: affected
versionType: semver, version: 7.2.0, lessThanOrEqual: 7.2.3, status: affected
versionType: semver, version: 7.0.0, lessThanOrEqual: 7.0.9, status: affected
versionType: semver, version: 6.4.0, lessThanOrEqual: 6.4.13, status: affected
versionType: semver, version: 6.2.0, lessThanOrEqual: 6.2.12, status: affected
}
metrics:
format: CVSS
cvssV3_1: [
version: 3.1
attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: NONE
baseScore: 5
baseSeverity: MEDIUM
confidentialityImpact: NONE
integrityImpact: LOW
privilegesRequired: NONE
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:P/RL:X/RC:C
]
solutions: Please upgrade to FortiAnalyzer version 7.4.1 or above
Please upgrade to FortiAnalyzer version 7.2.4 or above
AND
Configure the "un-encrypted-logging" option to disable receiving syslog without encryption through UDP(514) or TCP(514).
config system log setting
set un-encrypted-logging disable