CVE-2021-36173

EUVD-2021-22794
A heap-based buffer overflow in the firmware signature verification function of FortiOS versions 7.0.1, 7.0.0, 6.4.0 through 6.4.6, 6.2.0 through 6.2.9, and 6.0.0 through 6.0.13 may allow an attacker to execute arbitrary code via specially crafted installation images.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
8 HIGH
ADJACENT_NETWORK
LOW
NONE
CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
fortinetCNA
8 HIGH
ADJACENT_NETWORK
LOW
NONE
CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:P/RL:W/RC:C
Base Score
CVSS 3.x
EPSS Score
Percentile: 70%
Affected Products (NVD)
VendorProductVersion
fortinetfortios
6.0.0 ≤
𝑥
≤ 6.0.13
fortinetfortios
6.2.0 ≤
𝑥
≤ 6.2.9
fortinetfortios
6.4.0 ≤
𝑥
≤ 6.4.6
fortinetfortios
7.0.0
fortinetfortios
7.0.1
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://fortiguard.com/advisory/FG-IR-21-115
https://fortiguard.com/advisory/FG-IR-21-115