CVE-2021-24018

low-risk
Published 2021-08-04

A buffer underwrite vulnerability in the firmware verification routine of FortiOS before 7.0.1 may allow an attacker located in the adjacent network to potentially execute arbitrary code via a specifically crafted firmware image.

Do I need to act?

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0.12% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
4
CVSS 4.3/10 Medium
ADJACENT_NETWORK / LOW complexity

Affected Products (2)

Affected Vendors

Fortinet

References (2)

Vendor Advisory https://fortiguard.com/advisory/FG-IR-21-046
Vendor Advisory https://fortiguard.com/advisory/FG-IR-21-046
23
/ 100
low-risk
Severity 15/34 · Moderate
Exploitability 1/34 · Minimal
Exposure 7/34 · Low