NetSight
medium4.3

CVE-2021-42755

An integer overflow / wraparound vulnerability [CWE-190] in FortiSwitch 7.0.2 and below, 6.4.9 and below, 6.2.x, 6.0.x; FortiRecorder 6.4.2 and below, 6.0.10 a…

Impact

An integer overflow / wraparound vulnerability [CWE-190] in FortiSwitch 7.0.2 and below, 6.4.9 and below, 6.2.x, 6.0.x; FortiRecorder 6.4.2 and below, 6.0.10 and below; FortiOS 7.0.2 and below, 6.4.8 and below, 6.2.10 and below, 6.0.x; FortiProxy 7.0.0, 2.0.6 and below, 1.2.x, 1.1.x, 1.0.x; FortiVoiceEnterprise 6.4.3 and below, 6.0.10 and below dhcpd daemon may allow an unauthenticated and network adjacent attacker to crash the dhcpd deamon, resulting in potential denial of service.

Affected products

VendorProductAffected versions
FortinetFortiproxy
from 1.0.0 through 1.0.7
from 1.1.0 through 1.1.6
from 1.2.0 through 1.2.13
from 2.0.0 through 2.0.6
Version 7.0.0
FortinetFortivoice
Versions 5.3.0, 5.3.1, 5.3.2, 5.3.3, 5.3.4, 5.3.5
FortinetFortios
Versions 5.4.0, 5.4.1, 5.4.2, 5.4.3, 5.4.4, 5.4.5
FortinetFortirecorder Firmware
Versions 6.0.0, 6.0.1, 6.0.2, 6.0.3, 6.0.4, 6.0.5
FortinetFortiswitch
from 6.0.0 through 6.0.7
from 6.2.0 through 6.2.7
from 6.4.0 through 6.4.9
from 7.0.0 through 7.0.2

Weakness classification

References