FG-IR-21-046: Buffer Underwrite in firmware verification

Published Aug 3, 2021
·
Updated

A buffer underwrite (CWE-124) vulnerability in the firmware verification routine of FortiWeb, FortiOS, FortiSwitch, FortiADC, FortiAI, FortiManager, FortiAnalyzer, FortiProxy may allow an attacker located in the adjacent network to potentially execute arbitrary code via a specifically crafted firmware image.

Affected Software

8 affected components
Fortinet FortiWeb
Fortinet FortiOS
Fortinet FortiSwitch
Fortinet FortiADC
Fortinet Fortiai
Fortinet FortiManager
Fortinet FortiAnalyzer
Fortinet FortiProxy

Event History

Aug 3, 2021
Advisory Published
via FortiGuard·12:00 AM
Data Sourced
via FortiGuard·12:00 AM
DescriptionSeverityWeaknessAffected Software
Oct 24, 2024
Advisory Published
via FortiGuard·12:00 AM
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Frequently Asked Questions

1

What is the severity of FG-IR-21-046?

The FG-IR-21-046 vulnerability is considered serious as it allows potential arbitrary code execution.

2

Who is at risk from FG-IR-21-046?

Devices vulnerable to FG-IR-21-046 include FortiWeb, FortiOS, FortiSwitch, FortiADC, FortiAI, FortiManager, FortiAnalyzer, and FortiProxy.

3

How do I fix FG-IR-21-046?

To address FG-IR-21-046, apply the latest firmware updates provided by Fortinet for the affected products.

4

Can FG-IR-21-046 be exploited remotely?

FG-IR-21-046 requires an attacker to be on the adjacent network to exploit the vulnerability.

5

What type of vulnerability is FG-IR-21-046?

FG-IR-21-046 is classified as a buffer underwrite vulnerability (CWE-124).

Contact

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