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Vulnerability details: VCID-emwy-myzc-9fev
Vulnerability ID VCID-emwy-myzc-9fev
Aliases CVE-2024-55634
GHSA-7cwc-fjqm-8vh8
Summary Drupal core Access bypass Drupal's uniqueness checking for certain user fields is inconsistent depending on the database engine and its collation. As a result, a user may be able to register with the same email address as another user. This may lead to data integrity issues. 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.
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (4)
CWE-178 Improper Handling of Case Sensitivity
CWE-289 Authentication Bypass by Alternate Name
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
epss 0.00057 https://api.first.org/data/v1/epss?cve=CVE-2024-55634
epss 0.00057 https://api.first.org/data/v1/epss?cve=CVE-2024-55634
epss 0.00057 https://api.first.org/data/v1/epss?cve=CVE-2024-55634
epss 0.00057 https://api.first.org/data/v1/epss?cve=CVE-2024-55634
epss 0.00057 https://api.first.org/data/v1/epss?cve=CVE-2024-55634
epss 0.00057 https://api.first.org/data/v1/epss?cve=CVE-2024-55634
epss 0.00057 https://api.first.org/data/v1/epss?cve=CVE-2024-55634
epss 0.00057 https://api.first.org/data/v1/epss?cve=CVE-2024-55634
epss 0.00057 https://api.first.org/data/v1/epss?cve=CVE-2024-55634
epss 0.00057 https://api.first.org/data/v1/epss?cve=CVE-2024-55634
epss 0.00062 https://api.first.org/data/v1/epss?cve=CVE-2024-55634
epss 0.00062 https://api.first.org/data/v1/epss?cve=CVE-2024-55634
epss 0.00062 https://api.first.org/data/v1/epss?cve=CVE-2024-55634
epss 0.00062 https://api.first.org/data/v1/epss?cve=CVE-2024-55634
epss 0.00072 https://api.first.org/data/v1/epss?cve=CVE-2024-55634
epss 0.00072 https://api.first.org/data/v1/epss?cve=CVE-2024-55634
epss 0.00072 https://api.first.org/data/v1/epss?cve=CVE-2024-55634
epss 0.00072 https://api.first.org/data/v1/epss?cve=CVE-2024-55634
epss 0.00072 https://api.first.org/data/v1/epss?cve=CVE-2024-55634
epss 0.00072 https://api.first.org/data/v1/epss?cve=CVE-2024-55634
epss 0.00072 https://api.first.org/data/v1/epss?cve=CVE-2024-55634
epss 0.00072 https://api.first.org/data/v1/epss?cve=CVE-2024-55634
epss 0.00082 https://api.first.org/data/v1/epss?cve=CVE-2024-55634
epss 0.00082 https://api.first.org/data/v1/epss?cve=CVE-2024-55634
epss 0.00082 https://api.first.org/data/v1/epss?cve=CVE-2024-55634
epss 0.00082 https://api.first.org/data/v1/epss?cve=CVE-2024-55634
epss 0.00082 https://api.first.org/data/v1/epss?cve=CVE-2024-55634
cvssv3.1_qr MODERATE https://github.com/advisories/GHSA-7cwc-fjqm-8vh8
generic_textual MODERATE https://github.com/drupal/core
generic_textual MODERATE https://github.com/drupal/core/commit/7ae0e8f1824e15f8b2b06e4da09836250e85e934
generic_textual MODERATE https://nvd.nist.gov/vuln/detail/CVE-2024-55634
cvssv3.1 8.1 https://www.drupal.org/sa-core-2024-004
generic_textual MODERATE https://www.drupal.org/sa-core-2024-004
ssvc Track https://www.drupal.org/sa-core-2024-004
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2024-55634
https://github.com/drupal/core
https://github.com/drupal/core/commit/7ae0e8f1824e15f8b2b06e4da09836250e85e934
https://nvd.nist.gov/vuln/detail/CVE-2024-55634
https://www.drupal.org/sa-core-2024-004
cpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:*
GHSA-7cwc-fjqm-8vh8 https://github.com/advisories/GHSA-7cwc-fjqm-8vh8
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N Found at https://www.drupal.org/sa-core-2024-004
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:T/P:M/B:A/M:M/D:T/2024-12-11T16:38:29Z/ Found at https://www.drupal.org/sa-core-2024-004
Exploit Prediction Scoring System (EPSS)
Percentile 0.17804
EPSS Score 0.00057
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:31:53.006589+00:00 GithubOSV Importer Import https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2024/12/GHSA-7cwc-fjqm-8vh8/GHSA-7cwc-fjqm-8vh8.json 37.0.0