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CVE-2024-55636

Drupal remote code execution

9.8 CRITICALEPSS 0.93%
  1. Published9 Dec 2024

Description

Deserialization of Untrusted Data vulnerability in Drupal Core allows Object Injection.This issue affects Drupal Core: from 8.0.0 before 10.2.11, from 10.3.0 before 10.3.9, from 11.0.0 before 11.0.8. Drupal core contains a chain of methods that is exploitable when an insecure deserialization vulnerability exists on the site. This so called gadget chain presents no direct threat, but is a vector that can be used to achieve remote code execution if the application deserializes untrusted data due to another vulnerability.

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

Drupal≥ 10.3.0 < 10.3.9 · ≥ 11.0.0 < 11.0.8 · ≥ 8.0.0 < 10.2.11

Remediation

Fixed in
Drupal≥ 10.3.9

References

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Frequently asked

Is CVE-2024-55636 being actively exploited?

CVE-2024-55636 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.93%.

How severe is CVE-2024-55636?

CVE-2024-55636 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 0.93% probability of exploitation.

Which products are affected by CVE-2024-55636?

Affected products include Drupal.

How do I fix CVE-2024-55636?

Upgrade affected software to a fixed version, for example Drupal 10.3.9 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2024-55636 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.