Vulnerability Details CVE-2013-6386
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.004
EPSS Ranking 58.3%
CVSS Severity
CVSS v2 Score 6.8
Products affected by CVE-2013-6386
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cpe:2.3:a:drupal:drupal:6.0
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cpe:2.3:a:drupal:drupal:6.1
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cpe:2.3:a:drupal:drupal:6.10
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cpe:2.3:a:drupal:drupal:6.11
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cpe:2.3:a:drupal:drupal:6.12
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cpe:2.3:a:drupal:drupal:6.13
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cpe:2.3:a:drupal:drupal:6.14
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cpe:2.3:a:drupal:drupal:6.15
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cpe:2.3:a:drupal:drupal:6.16
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cpe:2.3:a:drupal:drupal:6.17
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cpe:2.3:a:drupal:drupal:6.18
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cpe:2.3:a:drupal:drupal:6.19
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cpe:2.3:a:drupal:drupal:6.2
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cpe:2.3:a:drupal:drupal:6.20
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cpe:2.3:a:drupal:drupal:6.21
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cpe:2.3:a:drupal:drupal:6.22
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cpe:2.3:a:drupal:drupal:6.23
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cpe:2.3:a:drupal:drupal:6.24
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cpe:2.3:a:drupal:drupal:6.25
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cpe:2.3:a:drupal:drupal:6.26
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cpe:2.3:a:drupal:drupal:6.27
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cpe:2.3:a:drupal:drupal:6.28
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cpe:2.3:a:drupal:drupal:6.3
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cpe:2.3:a:drupal:drupal:6.4
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cpe:2.3:a:drupal:drupal:6.5
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cpe:2.3:a:drupal:drupal:6.6
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cpe:2.3:a:drupal:drupal:6.7
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cpe:2.3:a:drupal:drupal:6.8
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cpe:2.3:a:drupal:drupal:6.9
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cpe:2.3:a:drupal:drupal:7.0
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cpe:2.3:a:drupal:drupal:7.1
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cpe:2.3:a:drupal:drupal:7.10
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cpe:2.3:a:drupal:drupal:7.11
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cpe:2.3:a:drupal:drupal:7.12
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cpe:2.3:a:drupal:drupal:7.13
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cpe:2.3:a:drupal:drupal:7.14
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cpe:2.3:a:drupal:drupal:7.15
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cpe:2.3:a:drupal:drupal:7.16
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cpe:2.3:a:drupal:drupal:7.17
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cpe:2.3:a:drupal:drupal:7.18
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cpe:2.3:a:drupal:drupal:7.19
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cpe:2.3:a:drupal:drupal:7.2
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cpe:2.3:a:drupal:drupal:7.20
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cpe:2.3:a:drupal:drupal:7.21
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cpe:2.3:a:drupal:drupal:7.22
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cpe:2.3:a:drupal:drupal:7.23
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cpe:2.3:a:drupal:drupal:7.3
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cpe:2.3:a:drupal:drupal:7.4
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cpe:2.3:a:drupal:drupal:7.5
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cpe:2.3:a:drupal:drupal:7.6
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cpe:2.3:a:drupal:drupal:7.7
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cpe:2.3:a:drupal:drupal:7.8
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cpe:2.3:a:drupal:drupal:7.9
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cpe:2.3:a:drupal:drupal:7.x-dev