CVE-2021-36193: Buffer Overflow
First published: Wed Feb 02 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.
Credit: psirt@fortinet.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Fortinet FortiWeb | >=5.0.0<6.2.6 | |
| Fortinet FortiWeb | >=6.3.0<6.3.16 | |
| Fortinet FortiWeb | >=6.4.0<6.4.2 |
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Reference Links
Frequently Asked Questions
What is the vulnerability ID for this FortiWeb vulnerability?
The vulnerability ID for this FortiWeb vulnerability is CVE-2021-36193.
What is the severity of CVE-2021-36193?
The severity of CVE-2021-36193 is high with a severity value of 7.2.
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.
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.
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.
- collector/nvd-index
- agent/references
- agent/weakness
- agent/severity
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- agent/event
- agent/description
- agent/last-modified-date
- agent/softwarecombine
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- agent/tags
- collector/mitre-cve
- source/MITRE
- vendor/fortinet
- canonical/fortinet fortiweb
- version/fortinet fortiweb/5.0.0
- version/fortinet fortiweb/6.3.0
- version/fortinet fortiweb/6.4.0