CVE-2021-26105: Buffer Overflow
First published: Mon Mar 24 2025(Updated: )
A stack-based buffer overflow vulnerability (CWE-121) in the profile parser of FortiSandbox version 3.2.2 and below, version 3.1.4 and below may allow an authenticated attacker to potentially execute unauthorized code or commands via specifically crafted HTTP requests.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Fortinet FortiSandbox Firmware | <=3.2.2 | |
| Fortinet FortiSandbox Firmware | <=3.1.4 |
Remedy
Upgrade to FortiSandbox 4.0.1 or above. Upgrade to FortiSandbox 3.2.3 or above.
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2021-26105?
CVE-2021-26105 is classified as a critical vulnerability due to the potential for unauthorized code execution.
How do I fix CVE-2021-26105?
To fix CVE-2021-26105, upgrade FortiSandbox to version 3.2.3 or later, or version 3.1.5 or later.
Who is affected by CVE-2021-26105?
Any user running FortiSandbox version 3.2.2 or lower, or version 3.1.4 or lower is affected by CVE-2021-26105.
What kind of attacks can be executed due to CVE-2021-26105?
An attacker can execute arbitrary code or commands through specially crafted HTTP requests due to CVE-2021-26105.
Is authentication required to exploit CVE-2021-26105?
Yes, an attacker must be authenticated to exploit CVE-2021-26105.
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