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 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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
4.3 MEDIUM
ADJACENT_NETWORK
LOW
NONE
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
fortinetCNA
4.3 MEDIUM
ADJACENT_NETWORK
LOW
NONE
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:F/RL:U/RC:C
CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 12%
VendorProductVersion
fortinetfortiproxy
1.0.0 ≤
𝑥
≤ 1.0.7
fortinetfortiproxy
1.1.0 ≤
𝑥
≤ 1.1.6
fortinetfortiproxy
1.2.0 ≤
𝑥
≤ 1.2.13
fortinetfortiproxy
2.0.0 ≤
𝑥
≤ 2.0.6
fortinetfortiproxy
7.0.0
fortinetfortivoice
5.3.0
fortinetfortivoice
5.3.1
fortinetfortivoice
5.3.2
fortinetfortivoice
5.3.3
fortinetfortivoice
5.3.4
fortinetfortivoice
5.3.5
fortinetfortivoice
5.3.6
fortinetfortivoice
5.3.7
fortinetfortivoice
5.3.8
fortinetfortivoice
5.3.10
fortinetfortivoice
5.3.11
fortinetfortivoice
5.3.12
fortinetfortivoice
5.3.13
fortinetfortivoice
5.3.14
fortinetfortivoice
5.3.15
fortinetfortivoice
5.3.16
fortinetfortivoice
5.3.17
fortinetfortivoice
5.3.18
fortinetfortivoice
5.3.19
fortinetfortivoice
5.3.20
fortinetfortivoice
5.3.21
fortinetfortivoice
5.3.22
fortinetfortivoice
5.3.23
fortinetfortivoice
5.3.24
fortinetfortivoice
5.3.25
fortinetfortivoice
5.3.26
fortinetfortivoice
6.0.0
fortinetfortivoice
6.0.1
fortinetfortivoice
6.0.2
fortinetfortivoice
6.0.3
fortinetfortivoice
6.0.4
fortinetfortivoice
6.0.5
fortinetfortivoice
6.0.6
fortinetfortivoice
6.0.7
fortinetfortivoice
6.0.8
fortinetfortivoice
6.0.9
fortinetfortivoice
6.0.10
fortinetfortivoice
6.4.0
fortinetfortivoice
6.4.1
fortinetfortivoice
6.4.2
fortinetfortivoice
6.4.3
fortinetfortios
5.4.0
fortinetfortios
5.4.1
fortinetfortios
5.4.2
fortinetfortios
5.4.3
fortinetfortios
5.4.4
fortinetfortios
5.4.5
fortinetfortios
5.4.6
fortinetfortios
5.4.7
fortinetfortios
5.4.8
fortinetfortios
5.4.9
fortinetfortios
5.4.10
fortinetfortios
5.4.11
fortinetfortios
5.4.12
fortinetfortios
5.4.13
fortinetfortios
5.6.0
fortinetfortios
5.6.1
fortinetfortios
5.6.2
fortinetfortios
5.6.3
fortinetfortios
5.6.4
fortinetfortios
5.6.5
fortinetfortios
5.6.6
fortinetfortios
5.6.7
fortinetfortios
5.6.8
fortinetfortios
5.6.9
fortinetfortios
5.6.10
fortinetfortios
5.6.11
fortinetfortios
5.6.12
fortinetfortios
5.6.13
fortinetfortios
5.6.14
fortinetfortios
6.0.0
fortinetfortios
6.0.1
fortinetfortios
6.0.2
fortinetfortios
6.0.3
fortinetfortios
6.0.4
fortinetfortios
6.0.5
fortinetfortios
6.0.6
fortinetfortios
6.0.7
fortinetfortios
6.0.8
fortinetfortios
6.0.9
fortinetfortios
6.0.10
fortinetfortios
6.0.11
fortinetfortios
6.0.12
fortinetfortios
6.0.13
fortinetfortios
6.0.14
fortinetfortios
6.2.0
fortinetfortios
6.2.1
fortinetfortios
6.2.2
fortinetfortios
6.2.3
fortinetfortios
6.2.4
fortinetfortios
6.2.5
fortinetfortios
6.2.6
fortinetfortios
6.2.7
fortinetfortios
6.2.8
fortinetfortios
6.2.9
fortinetfortios
6.2.10
fortinetfortios
6.4.0
fortinetfortios
6.4.1
fortinetfortios
6.4.2
fortinetfortios
6.4.3
fortinetfortios
6.4.4
fortinetfortios
6.4.5
fortinetfortios
6.4.6
fortinetfortios
6.4.7
fortinetfortios
7.0.0
fortinetfortios
7.0.1
fortinetfortios
7.0.2
fortinetfortirecorder_firmware
6.0.0
fortinetfortirecorder_firmware
6.0.1
fortinetfortirecorder_firmware
6.0.2
fortinetfortirecorder_firmware
6.0.3
fortinetfortirecorder_firmware
6.0.4
fortinetfortirecorder_firmware
6.0.5
fortinetfortirecorder_firmware
6.0.6
fortinetfortirecorder_firmware
6.0.7
fortinetfortirecorder_firmware
6.0.8
fortinetfortirecorder_firmware
6.0.9
fortinetfortirecorder_firmware
6.0.10
fortinetfortirecorder_firmware
6.4.0
fortinetfortirecorder_firmware
6.4.1
fortinetfortirecorder_firmware
6.4.2
fortinetfortiswitch
6.0.0 ≤
𝑥
≤ 6.0.7
fortinetfortiswitch
6.2.0 ≤
𝑥
≤ 6.2.7
fortinetfortiswitch
6.4.0 ≤
𝑥
≤ 6.4.9
fortinetfortiswitch
7.0.0 ≤
𝑥
≤ 7.0.2
𝑥
= Vulnerable software versions