CVE-2021-24018

MEDIUM

FortiOS < 6.2.10 - Out-of-bounds Write via Firmware Verification Routine

Title source: llm

Description

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.

References (1)

Core 1

Core References

Vendor Advisory x_refsource_confirm

https://fortiguard.com/advisory/FG-IR-21-046

Scores

CVSS v3 4.3

EPSS 0.0012

EPSS Percentile 30.4%

Attack Vector ADJACENT_NETWORK

CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-787

Status published

Products (2)

fortinet/fortios 7.0.0

fortinet/fortios < 6.2.10

Published Aug 04, 2021

Tracked Since Feb 18, 2026