Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2013-6386

Severity CVSS v4.0:
Pending analysis
Type:
CWE-310 Cryptographic Issues
Publication date:
07/12/2013
Last modified:
11/04/2025

Description

Drupal 6.x before 6.29 and 7.x before 7.24 uses the PHP mt_rand function to generate random numbers, which uses predictable seeds and allows remote attackers to predict security strings and bypass intended restrictions via a brute force attack.

Impact

Vector 2.0
AV:N/AC:M/Au:N/C:P/I:P/A:P CVSS v2.0 Severity and Metrics:

Base Score: 6.80 MEDIUM
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Medium
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): Physical
Availability (A): Physical

Base Score 2.0
6.80
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:drupal:drupal:7.0:*:*:*:*:*:*:*
cpe:2.3:a:drupal:drupal:7.0:alpha1:*:*:*:*:*:*
cpe:2.3:a:drupal:drupal:7.0:alpha2:*:*:*:*:*:*
cpe:2.3:a:drupal:drupal:7.0:alpha3:*:*:*:*:*:*
cpe:2.3:a:drupal:drupal:7.0:alpha4:*:*:*:*:*:*
cpe:2.3:a:drupal:drupal:7.0:alpha5:*:*:*:*:*:*
cpe:2.3:a:drupal:drupal:7.0:alpha6:*:*:*:*:*:*
cpe:2.3:a:drupal:drupal:7.0:alpha7:*:*:*:*:*:*
cpe:2.3:a:drupal:drupal:7.0:beta1:*:*:*:*:*:*
cpe:2.3:a:drupal:drupal:7.0:beta2:*:*:*:*:*:*
cpe:2.3:a:drupal:drupal:7.0:beta3:*:*:*:*:*:*
cpe:2.3:a:drupal:drupal:7.0:dev:*:*:*:*:*:*
cpe:2.3:a:drupal:drupal:7.0:rc1:*:*:*:*:*:*
cpe:2.3:a:drupal:drupal:7.0:rc2:*:*:*:*:*:*
cpe:2.3:a:drupal:drupal:7.0:rc3:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools