CVE-2022-27491

A improper verification of source of a communication channel in Fortinet FortiOS with IPS engine version 7.201 through 7.214, 7.001 through 7.113, 6.001 through 6.121, 5.001 through 5.258 and before 4.086 allows a remote and unauthenticated attacker to trigger the sending of "blocked page" HTML data to an arbitrary victim via crafted TCP requests, potentially flooding the victim.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
6.8 MEDIUM
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H
fortinetCNA
6.8 MEDIUM
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H/E:F/RL:U/RC:C
CVEADP
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CISA-ADPADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 5%
VendorProductVersion
fortinetfortios
6.0.0 ≤
𝑥
≤ 6.0.14
fortinetfortios
6.2.0 ≤
𝑥
< 6.2.11
fortinetfortios
6.4.0 ≤
𝑥
< 6.4.9
fortinetfortios
7.0.0 ≤
𝑥
< 7.0.6
fortinetfortios
7.2.0
𝑥
= Vulnerable software versions
References
https://fortiguard.com/psirt/FG-IR-22-073
https://fortiguard.com/psirt/FG-IR-22-073