description: Predictable Exact Value from Previous Values vulnerability in Mitsubishi Electric Corporation GOT2000 Series GT21 model versions 01.49.000 and prior and GOT SIMPLE Series GS21 model versions 01.49.000 and prior allows a remote unauthenticated attacker to hijack data connections (session hijacking) or prevent legitimate users from establishing data connections (to cause DoS condition) by guessing the listening port of the data connection on FTP server and connecting to it.
problem types: CWE-342 Predictable Exact Value from Previous Values
affected:
{
defaultStatus: unaffected
product: GOT2000 Series GT21 model
vendor: Mitsubishi Electric Corporation
versions:
status: affected, version: 01.49.000 and prior
}
{
defaultStatus: unaffected
product: GOT SIMPLE Series GS21 model
vendor: Mitsubishi Electric Corporation
versions:
status: affected, version: 01.49.000 and prior
}
metrics:
cvssV3_1: [
attackComplexity: HIGH
attackVector: NETWORK
availabilityImpact: LOW
baseScore: 5.9
baseSeverity: MEDIUM
confidentialityImpact: NONE
integrityImpact: HIGH
privilegesRequired: NONE
scope: UNCHANGED
userInteraction: REQUIRED
vectorString: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:L
version: 3.1
]
format: CVSS
scenarios: GENERAL