CVE-2021-36193: Buffer Overflow

Published Feb 2, 2022
·
Updated

Multiple stack-based buffer overflows in the command line interpreter of FortiWeb before 6.4.2 may allow an authenticated attacker to achieve arbitrary code execution via specially crafted commands.

Affected Software

3 affected components
Fortinet FortiWeb>=5.0.0<6.2.6
Fortinet FortiWeb>=6.3.0<6.3.16
Fortinet FortiWeb>=6.4.0<6.4.2

Remediation

Information

Please upgrade to FortiFone version 3.0.12 or above Please upgrade to FortiWeb version 7.0.0 or above Please upgrade to FortiWeb version 6.4.2 or above Please upgrade to FortiWeb version 6.3.17 or above Please upgrade to FortiWeb version 6.3.16 or above Please upgrade to FortiWeb version 6.2.7 or above Please upgrade to FortiRecorder version 7.0.0 or above Please upgrade to FortiRecorder version 6.4.3 or above Please upgrade to FortiRecorder version 6.0.11 or above Please upgrade to FortiVoiceEnterprise version 6.4.5 or above Please upgrade to FortiVoiceEnterprise version 6.0.11 or above Please upgrade to FortiMail version 7.2.0 or above Please upgrade to FortiMail version 7.0.3 or above Please upgrade to FortiMail version 6.4.7 or above Please upgrade to FortiMail version 6.2.9 or above Please upgrade to FortiDDoS-F version 6.3.1 or above Please upgrade to FortiDDoS-F version 6.2.3 or above Please upgrade to FortiDDoS-F version 6.1.5 or above Please upgrade to FortiADC version 7.0.1 or above Please upgrade to FortiADC version 6.2.3 or above Please upgrade to FortiADC version 6.1.7 or above Please upgrade to FortiNDR version 7.0.0 or above Please upgrade to FortiDDoS version 5.7.1 or above Please upgrade to FortiDDoS version 5.6.2 or above Please upgrade to FortiDDoS version 5.5.2 or above Please upgrade to FortiDDoS version 5.4.3 or above Please upgrade to FortiDDoS version 5.3.2 or above Please upgrade to FortiDDoS-CM version 5.7.1 or above Please upgrade to FortiDDoS-CM version 5.6.2 or above Please upgrade to FortiDDoS-CM version 5.5.2 or above Please upgrade to FortiDDoS-CM version 5.4.3 or above Please upgrade to FortiDDoS-CM version 5.3.2 or above

Event History

Feb 2, 2022
CVE Published
via MITRE·11:19 AM
Data Sourced
via MITRE·11:19 AM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·12:15 PM
DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the vulnerability ID for this FortiWeb vulnerability?

The vulnerability ID for this FortiWeb vulnerability is CVE-2021-36193.

2

What is the severity of CVE-2021-36193?

The severity of CVE-2021-36193 is high with a severity value of 7.2.

3

Which version of FortiWeb is affected by CVE-2021-36193?

FortiWeb versions between 5.0.0 and 6.2.6, between 6.3.0 and 6.3.16, and between 6.4.0 and 6.4.2 are affected by CVE-2021-36193.

4

How can an authenticated attacker exploit CVE-2021-36193?

An authenticated attacker can achieve arbitrary code execution by exploiting multiple stack-based buffer overflows in the command line interpreter of FortiWeb before 6.4.2 using specially crafted commands.

5

Where can I find more information about CVE-2021-36193?

You can find more information about CVE-2021-36193 on the FortiGuard Advisory FG-IR-21-132.

Contact

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