CVE-2021-3991Network attack vector

Restricted reception-detail disclosure via conditional authorization check

Published Nov 15, 2024 · Updated Nov 15, 2024

Improper authorization in Dolibarr ERP & CRM before 15.0.0 allows remote authenticated users to read reception details via direct URLs. htdocs/reception/card.php calls restrictedArea only when the request origin equals reception, leaving empty or alternate origin values unchecked. A valid low-privilege account and a reception record identifier are required; access is limited to details that account cannot normally view.

CVSS severity4.3
Medium
EPSS probability0.32%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper authorization in Dolibarr ERP & CRM before 15.0.0 allows remote authenticated users to read reception details via direct URLs. htdocs/reception/card.php calls restrictedArea only when the request origin equals reception, leaving empty or alternate origin values unchecked. A valid low-privilege account and a reception record identifier are required; access is limited to details that account cannot normally view.

The record

CVE
CVE-2021-3991
Published
Nov 15, 2024
Updated
Nov 15, 2024
Vendor
Dolibarr Foundation
Product
Dolibarr ERP & CRM
Classifications
CWE-285, CWE-639, T1213
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Nov 15, 2024CVE publishedPublication date reported by the CVE source.
  2. Nov 15, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <*
  2. Affected versionversion=unspecified <develop

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Dolibarr Foundation · Dolibarr ERP & CRMversion=0 <*; version=unspecified <develop

Published CVSS scores

4.3huntr.devCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
4.3NISTCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-285Improper Authorization
CWE-639Authorization Bypass Through User-Controlled Key
T1213Data from Information Repositories

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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