Fortinet FortiSandbox 3.1.4/3.2.2 HTTP Request stack-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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6.8$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Fortinet FortiSandbox 3.1.4/3.2.2. This issue affects some unknown processing of the component HTTP Request Handler. Such manipulation leads to stack-based overflow. This vulnerability is traded as CVE-2021-26105. The attack may be launched remotely. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Fortinet FortiSandbox 3.1.4/3.2.2. Affected by this issue is an unknown functionality of the component HTTP Request Handler. The manipulation with an unknown input leads to a stack-based overflow vulnerability. Using CWE to declare the problem leads to CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). Impacted is confidentiality, integrity, and availability. CVE summarizes:

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.

The advisory is available at fortiguard.fortinet.com. This vulnerability is handled as CVE-2021-26105 since 01/25/2021. The exploitation is known to be difficult. The attack may be launched remotely. The technical details are unknown and an exploit is not available.

Upgrading eliminates this vulnerability.

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Productinfo

Vendor

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.9
VulDB Meta Temp Score: 6.8

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

NVD Base Score: 8.8
NVD Vector: 🔍

CNA Base Score: 6.8
CNA Vector (fortinet): 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Stack-based overflow
CWE: CWE-121 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/25/2021 🔍
03/24/2025 +1519 days 🔍
03/24/2025 +0 days 🔍
07/25/2025 +123 days 🔍

Sourcesinfo

Vendor: fortinet.com

Advisory: FG-IR-20-234
Status: Confirmed

CVE: CVE-2021-26105 (🔍)
GCVE (CVE): GCVE-0-2021-26105
GCVE (VulDB): GCVE-100-300854

Entryinfo

Created: 03/24/2025 17:33
Updated: 07/25/2025 02:01
Changes: 03/24/2025 17:33 (64), 07/25/2025 02:01 (12)
Complete: 🔍
Cache ID: 216::103

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