What is the vulnerability ID for this issue?

The vulnerability ID for this issue is CVE-2021-33816.

What is the severity of CVE-2021-33816?

The severity of CVE-2021-33816 is critical with a CVSS score of 9.8.

Which version of Dolibarr is affected by CVE-2021-33816?

Dolibarr version 13.0.2 is affected by CVE-2021-33816.

How does CVE-2021-33816 allow remote PHP code execution?

CVE-2021-33816 allows remote PHP code execution due to an incomplete protection mechanism that blocks system, exec, and shell_exec but not backticks.

Are there any references available for CVE-2021-33816?

Yes, references for CVE-2021-33816 are available at the following URLs: [link1](http://seclists.org/fulldisclosure/2021/Nov/39), [link2](https://trovent.github.io/security-advisories/TRSA-2106-01/TRSA-2106-01.txt), [link3](https://trovent.io/security-advisory-2106-01)

Vulnerability/
CVE-2021-33816

critical

9.8

CWE

10/11/2021

24/5/2022

3/8/2024

CVE-2021-33816: Code Injection

First published: Wed Nov 10 2021(Updated: )

The website builder module in Dolibarr 13.0.2 allows remote PHP code execution because of an incomplete protection mechanism in which system, exec, and shell_exec are blocked but backticks are not blocked.

Credit: cve@mitre.org cve@mitre.org

Affected Software	Affected Version	How to fix
Dolibarr Dolibarr Erp\/crm	=13.0.2
composer/dolibarr/dolibarr	=13.0.2	14.0.0

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Frequently Asked Questions

What is the vulnerability ID for this issue?
The vulnerability ID for this issue is CVE-2021-33816.
What is the severity of CVE-2021-33816?
The severity of CVE-2021-33816 is critical with a CVSS score of 9.8.
Which version of Dolibarr is affected by CVE-2021-33816?
Dolibarr version 13.0.2 is affected by CVE-2021-33816.
How does CVE-2021-33816 allow remote PHP code execution?
CVE-2021-33816 allows remote PHP code execution due to an incomplete protection mechanism that blocks system, exec, and shell_exec but not backticks.
Are there any references available for CVE-2021-33816?
Yes, references for CVE-2021-33816 are available at the following URLs: [link1](http://seclists.org/fulldisclosure/2021/Nov/39), [link2](https://trovent.github.io/security-advisories/TRSA-2106-01/TRSA-2106-01.txt), [link3](https://trovent.io/security-advisory-2106-01)

collector/nvd-index
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collector/github-advisory-latest
source/GitHub
alias/GHSA-vxr9-p2xw-m8cf
alias/CVE-2021-33816
agent/software-canonical-lookup
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agent/softwarecombine
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collector/nvd-cve
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collector/mitre-cve
source/MITRE
agent/last-modified-date
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agent/source
vendor/dolibarr
canonical/dolibarr dolibarr erp\/crm
version/dolibarr dolibarr erp\/crm/13.0.2
package-manager/composer

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