2021-26096 | Fortinet FortiSandbox Command Line heap-based overflow (FG-IR-20-188)

CVSS Meta Temp Score

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Current Exploit Price (≈)

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CTI Interest Score

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4.8 $0-$5k 0.22

A vulnerability was found in Fortinet FortiSandbox up to 3.x. It has been declared as critical. This vulnerability affects an unknown code of the component Command Line Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-122. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Multiple instances of heap-based buffer overflow in the command shell of FortiSandbox before 4.0.0 may allow an authenticated attacker to manipulate memory and alter its content by means of specifically crafted command line arguments.

The weakness was disclosed 08/05/2021 as FG-IR-20-188. The advisory is available at fortiguard.com. This vulnerability was named CVE-2021-26096 since 01/25/2021. The exploitation appears to be difficult. The attack can be initiated remotely. A single authentication is needed for exploitation. The technical details are unknown and an exploit is not available.

Upgrading to version 4.0.0 eliminates this vulnerability.



VulDB Meta Base Score: 5.0
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.0
VulDB Temp Score: 4.8
VulDB Vector: 🔒
VulDB Reliability: 🔍

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Vector Complexity Authentication Confidentiality Integrity Availability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Class: Memory corruption
CWE: CWE-122
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfoedit

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: FortiSandbox 4.0.0

01/25/2021 CVE assigned
08/05/2021 +191 days Advisory disclosed
08/05/2021 +0 days VulDB entry created
08/08/2021 +3 days VulDB last updateVendor: https://www.fortinet.com/

Advisory: FG-IR-20-188
Status: Confirmed
Confirmation: 🔒

CVE: CVE-2021-26096 (🔒)

Created: 08/05/2021 08:33
Updated: 08/08/2021 17:11
Changes: (1) source_cve_cna
Complete: 🔍


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