CVE-2021-4436

Wp3dprinting 3dprint Lite vulnerability

9.8 CRITICALEPSS 6.65%

Published5 Feb 2024

Description

The 3DPrint Lite WordPress plugin before 1.9.1.5 does not have any authorisation and does not check the uploaded file in its p3dlite_handle_upload AJAX action , allowing unauthenticated users to upload arbitrary file to the web server. However, there is a .htaccess, preventing the file to be accessed on Web servers such as Apache.

CVSS 3.1 breakdown

Attack vectorNetwork

Attack complexityLow

Privileges requiredNone

User interactionNone

ScopeUnchanged

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Wp3dprinting 3dprint Lite< 1.9.1.5

Remediation

Fixed in

Wp3dprinting 3dprint Lite≥ 1.9.1.5

Frequently asked

Is CVE-2021-4436 being actively exploited?

CVE-2021-4436 is not in the CISA KEV catalog. Its EPSS exploit probability is 6.65%.

How severe is CVE-2021-4436?

CVE-2021-4436 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 6.65% probability of exploitation.

Which products are affected by CVE-2021-4436?

Affected products include Wp3dprinting 3dprint Lite.

How do I fix CVE-2021-4436?

Upgrade affected software to a fixed version, for example Wp3dprinting 3dprint Lite 1.9.1.5 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2021-4436 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.