VDB-180088 · CVE-2021-36168 · FG-IR-21-085

Fortinet FortiPortal up to 5.3.5/6.0.4/6.2.4 GET Request path traversal

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.
4.1	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Fortinet FortiPortal up to 5.3.5/6.0.4/6.2.4. It has been declared as critical. The impacted element is an unknown function of the component GET Request Handler. Executing a manipulation can lead to path traversal. This vulnerability appears as CVE-2021-36168. The attack may be performed from remote. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Fortinet FortiPortal up to 5.3.5/6.0.4/6.2.4. It has been declared as critical. This vulnerability affects some unknown processing of the component GET Request Handler. The manipulation with an unknown input leads to a path traversal vulnerability. The CWE definition for the vulnerability is CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. As an impact it is known to affect confidentiality.

The weakness was presented 08/05/2021 as FG-IR-21-085. The advisory is shared for download at fortiguard.com. This vulnerability was named CVE-2021-36168. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1006.

Upgrading to version 5.3.6, 6.0.5 or 6.2.5 eliminates this vulnerability.

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Productinfo

Vendor

Fortinet

Name

FortiPortal

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: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Path traversal
CWE: CWE-22
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: FortiPortal 5.3.6/6.0.5/6.2.5

Timelineinfo

07/06/2021 🔍
08/05/2021 +30 days 🔍
08/05/2021 +0 days 🔍
08/08/2021 +3 days 🔍

Sourcesinfo

Vendor: fortinet.com

Advisory: FG-IR-21-085
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-36168 (🔍)
GCVE (CVE): GCVE-0-2021-36168
GCVE (VulDB): GCVE-100-180088

Entryinfo

Created: 08/05/2021 07:17
Updated: 08/08/2021 09:21
Changes: 08/05/2021 07:17 (39), 08/08/2021 09:19 (3), 08/08/2021 09:21 (1)
Complete: 🔍
Cache ID: 216::103