Fortinet FortiWeb up to 6.2.4/6.3.14 CLI Command stack-based overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.6$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Fortinet FortiWeb up to 6.2.4/6.3.14. This impacts an unknown function of the component CLI Command Handler. Such manipulation leads to stack-based overflow. This vulnerability is referenced as CVE-2021-36179. The attack needs to be initiated within the local network. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Fortinet FortiWeb up to 6.2.4/6.3.14. Affected by this issue is an unknown code block of the component CLI Command 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.

The weakness was published 09/08/2021 as FG-IR-20-206. The advisory is shared for download at fortiguard.com. This vulnerability is handled as CVE-2021-36179. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 209720 (Fortinet FortiWeb (FG-IR-20-206)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 6.2.5, 6.3.15 or 6.4.0 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (209720). Once again VulDB remains the best source for vulnerability data.

Productinfo

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Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 7.6

VulDB Base Score: 8.0
VulDB Temp Score: 7.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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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: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 209720
Nessus Name: Fortinet FortiWeb (FG-IR-20-206)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: FortiWeb 6.2.5/6.3.15/6.4.0

Timelineinfo

07/06/2021 🔍
09/08/2021 +64 days 🔍
09/08/2021 +0 days 🔍
10/27/2024 +1144 days 🔍

Sourcesinfo

Vendor: fortinet.com

Advisory: FG-IR-20-206
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-36179 (🔍)
GCVE (CVE): GCVE-0-2021-36179
GCVE (VulDB): GCVE-100-182180

Entryinfo

Created: 09/08/2021 15:27
Updated: 10/27/2024 00:39
Changes: 09/08/2021 15:27 (39), 09/10/2021 17:47 (3), 10/27/2024 00:39 (16)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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