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Fencer Intel
medium 4.3

CVE-2021-3991 json

Improper Authorization in dolibarr/dolibarr

published last yr. modified 4mo ago also BIT-dolibarr-2021-3991 , EUVD-2024-3322 , GHSA-wppr-j57c-8jpm

cvss
4.3
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 26%
public exploits
0
none known

Summary

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.

Patch / fix

  • packagist dolibarr/dolibarr 15.0.0
  • bitnami dolibarr 20.0.2
  • dolibarr dolibarr_erp/crm 20.0.2

Is CVE-2021-3991 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
last yr.

Exploit prediction

0.33% chance of exploitation in the next 30 days, higher than 26% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.0 4.3 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
GitHub 3.0 4.3 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
NVD 3.1 4.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
OSV 3.1 4.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

Affected packages

ecosystem package affected fixed in
packagist dolibarr/dolibarr
<15.0.0
15.0.0
bitnami dolibarr
<20.0.2
20.0.2

Affected products

  • dolibarr dolibarr/dolibarr
  • dolibarr dolibarr

Classification

Weakness
  • CWE-285 Improper Authorization
  • CWE-639 Authorization Bypass Through User-Controlled Key

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.