THREATPORT/VULNERABILITY/CVE-2021-33816
CRITICAL SEVERITY

CVE-2021-33816

Dolibarr Erp\/Crm vulnerability

CVSS
9.8
EPSS
3.8%
EPSS pct
89th
Exploited
No known
The website builder module in Dolibarr 13.0.2 allows remote PHP code execution because of an incomplete protection mechanism in which system, exec, and shell_exec are blocked but backticks are not blocked.
Affected vendor
Dolibarr
Affected product
Dolibarr Erp\/Crm
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness type (CWE)
Published
2021-11-10

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 3.8% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 89% of all scored CVEs.

Check your external exposure to CVE-2021-33816

  • Confirm whether Dolibarr Dolibarr Erp\/Crm is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2021-33816.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2021-33816

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2021-33816 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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