CRITICAL

CVE-2021-33816

CVSS v3

9.8

CRITICAL

EPSS Score

3.9 %

exploit probability, as of 2026-10-19

CISA KEV

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

dolibarrBitnamifrom 13.0.2 · no fixed version listed
dolibarr/dolibarrPackagistfrom 13.0.2 · fixed in 14.0.0

Full record on NVD

Description

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.

Technical details

Published: 2021-11-10

Frequently asked questions

What is CVE-2021-33816?

Is CVE-2021-33816 actively exploited?

Active exploitation of CVE-2021-33816 has not been confirmed. Its EPSS score was 3.9% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-33816?

CVE-2021-33816 has a CVSS v3 base score of 9.8 (CRITICAL severity).

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