What’s Vulnerable › Vulnerabilities
CVE-2013-6386
- Severity: medium (CVSS 6.8 v2.0)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 2.1% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2013-12-07 · updated 2026-06-17
- Weakness: CWE-310
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.
Affected products
- Drupal: 7.0, 7.0-alpha1, 7.0-alpha2, 7.0-alpha3, 7.0-alpha4, 7.0-alpha5 (+72)
References
- http://secunia.com/advisories/56148
- http://www.debian.org/security/2013/dsa-2804
- http://www.debian.org/security/2013/dsa-2828
- http://www.openwall.com/lists/oss-security/2013/11/22/4
- https://drupal.org/SA-CORE-2013-003
- http://secunia.com/advisories/56148
- http://www.debian.org/security/2013/dsa-2804
- http://www.debian.org/security/2013/dsa-2828
- http://www.openwall.com/lists/oss-security/2013/11/22/4
- https://drupal.org/SA-CORE-2013-003
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