title: BIG-IP Appliance mode external monitor vulnerability
description:
When running in Appliance mode, an authenticated user assigned the Administrator role may be able to bypass Appliance mode restrictions, utilizing BIG-IP external monitor on a BIG-IP system.  A successful exploit can allow the attacker to cross a security boundary.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
problem types: CWE-267 Privilege Defined With Unsafe Action
affected:
{
defaultStatus: unknown
modules: All Modules
product: BIG-IP
vendor: F5
versions:
lessThan: *, status: unaffected, version: 17.1.0, versionType: semver
lessThan: 16.1.4, status: affected, version: 16.1.0, versionType: semver
lessThan: 15.1.9, status: affected, version: 15.1.0, versionType: semver
lessThan: *, status: affected, version: 14.1.0, versionType: semver
lessThan: *, status: affected, version: 13.1.0, versionType: semver
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: NONE
baseScore: 8.7
baseSeverity: HIGH
confidentialityImpact: HIGH
integrityImpact: HIGH
privilegesRequired: HIGH
scope: CHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N
version: 3.1
]
format: CVSS
scenarios: Appliance Mode Only