VDB-180142 · CVE-2021-26096 · FG-IR-20-188

Fortinet FortiSandbox up to 3.x Command Line heap-based overflow

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.8	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Fortinet FortiSandbox up to 3.x and classified as critical. The affected element is an unknown function of the component Command Line Handler. Executing a manipulation can lead to heap-based overflow. This vulnerability is tracked as CVE-2021-26096. The attack can be launched remotely. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

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 heap-based overflow vulnerability. The CWE definition for the vulnerability is CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). As an impact it is known to affect confidentiality, integrity, and availability.

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. The technical details are unknown and an exploit is not available.

Upgrading to version 4.0.0 eliminates this vulnerability.

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Productinfo

Vendor

Fortinet

Name

FortiSandbox

Version

License

commercial

Website

Vendor: https://www.fortinet.com/

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Heap-based overflow
CWE: CWE-122 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: FortiSandbox 4.0.0

Timelineinfo

01/25/2021 🔍
08/05/2021 +191 days 🔍
08/05/2021 +0 days 🔍
08/08/2021 +3 days 🔍

Sourcesinfo

Vendor: fortinet.com

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

CVE: CVE-2021-26096 (🔍)
GCVE (CVE): GCVE-0-2021-26096
GCVE (VulDB): GCVE-100-180142

Entryinfo

Created: 08/05/2021 08:33
Updated: 08/08/2021 17:11
Changes: 08/05/2021 08:33 (39), 08/08/2021 17:04 (3), 08/08/2021 17:11 (1)
Complete: 🔍
Cache ID: 216::103