CVE-2021-3991 Improper Authorization in dolibarr/dolibarr

What is CVE-2021-3991?

CVE-2021-3991 is a medium-severity missing authorization vulnerability in Dolibarr Dolibarr Erp\/Crm, published on 15 Nov 2024. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official 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.

Weakness: CWE-639, CWE-285

Which versions are affected by CVE-2021-3991?

3 open source packages ship an affected version, including dolibarr/dolibarr and dolibarr. It affects 1 product.

Products include Dolibarr Dolibarr Erp\/Crm.

How do I fix CVE-2021-3991?

Upgrade dolibarr/dolibarr to 15.0.0 or later.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2021-3991 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-3991 exists.

Other vulnerabilities in Dolibarr Dolibarr Erp\/Crm

• CVE-2022-43138 Dolibarr vulnerable to privilege escalation Critical 9.8
• CVE-2022-40871 Dolibarr vulnerable to Eval Injection Critical 9.8
• CVE-2021-33816 Dolibarr remote PHP code execution Critical 9.8
• CVE-2020-7995 Dolibarr Improper Restriction of Excessive Authentication Attempts Critical 9.8
• CVE-2013-2091 SQL injection in dolibarr Critical 9.8

All Dolibarr Dolibarr Erp\/Crm vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as BIT-dolibarr-2021-3991, GHSA-wppr-j57c-8jpm, UBUNTU-CVE-2021-3991.