CVE-2021-3991: Improper Authorization in dolibarr/dolibarr

Severity: medium (CVSS 4.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-11-15 · updated 2026-06-17
Weakness: CWE-285

Description

An Improper Authorization vulnerability exists in Dolibarr versions prior to the 'develop' branch. A user with restricted permissions in the 'Reception' section is able to access specific reception details via direct URL access, bypassing the intended permission restrictions.

Affected products

dolibarr: before 20.0.2 — fixed in 20.0.2

How to fix

Upgrade to a fixed version: dolibarr 20.0.2. Check the vendor advisory for mitigations.

References

https://github.com/dolibarr/dolibarr/commit/63cd06394f39d60784d6e6a0ccf4867a71a6568f
https://huntr.com/bounties/58ddbd8a-0faf-4b3f-aec9-5850bb19ab67

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