What is CVE-2024-55638?

CVE-2024-55638 is a critical-severity vulnerability in Drupal, classified under Improperly Controlled Modification of Dynamically-Determined Object Attributes. CVSS score: 9.8/10. Published 2024-12-10.

How severe is CVE-2024-55638?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Deserialization in Drupal

CVE-2024-55638

Deserialization of Untrusted Data vulnerability in Drupal Core allows Object Injection.This issue affects Drupal Core: from 7.0 before 7.102, from 8.0.0 before 10.2.11, from 10.3.0 before 10.3.9. Drupal core contains a chain of methods th…

Vulnerability class: Mass Assignment

EPSS: 0.010 (57.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Drupal
Drupal Core — versions 7.0, 8.0.0, 10.3.0

Weakness classification (CWE)

CWE-915 — Improperly Controlled Modification of Dynamically-Determined Object Attributes
CWE-502 — Deserialization of Untrusted Data

References

mlhess@drupal.org (Vendor Advisory)

Frequently asked questions

What is CVE-2024-55638?: CVE-2024-55638 is a critical-severity vulnerability in Drupal, classified under Improperly Controlled Modification of Dynamically-Determined Object Attributes. CVSS score: 9.8/10. Published 2024-12-10.
How severe is CVE-2024-55638?: Critical severity. CVSS v3 base score is 9.8 out of 10.