CVE-2013-6386: drupal Cryptographic Issues
CVSS: 6.8v2.0MediumModified
AliasesUBUNTU-CVE-2013-6386
Published 07-12-2013Last modified 06-08-2024
Vulnerability summary
CVE-2013-6386 is a medium (CVSS 6.8) Cryptographic Issues vulnerability in drupal. EPSS estimates a 2.08% chance of exploitation in the next 30 days, higher than 81.2% of scored vulnerabilities.
CVSS score
6.8/10
010
Medium · v2.0 (NVD)EPSS score
2.08%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 3Timeline
- 07-12-2013PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
1 score · 1 source · 1 versionMedium 6.8Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
2.08%
Chance of exploitation in the next 30 days
Percentile
81%
Versus all other CVEs
30-day change
0.00 pp
From 2.08% on 19-09-2026
19-09-202619-10-2026
EPSS score2.08%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Drupal1 product
- drupalEOL7.0 | 7.0:alpha1 | 7.0:alpha2 | 7.0:alpha3 | 7.0:alpha4 | 7.0:alpha5 | 7.0:alpha6 | 7.0:alpha7 | 7.0:beta1 | 7.0:beta2 | 7.0:beta3 | 7.0:dev | 7.0:rc1 | 7.0:rc2 | 7.0:rc3 | 7.0:rc4 | 7.1 | 7.2 | 7.3 | 7.4 | 7.5 | 7.6 | 7.7 | 7.8 | 7.9 | 7.10 | 7.11 | 7.12 | 7.13 | 7.14 | 7.15 | 7.16 | 7.17 | 7.18 | 7.19 | 7.20 | 7.21 | 7.22 | 7.23 | 7.x-dev | 6.0 | 6.0:beta1 | 6.0:beta2 | 6.0:beta3 | 6.0:beta4 | 6.0:dev | 6.0:rc1 | 6.0:rc2 | 6.0:rc3 | 6.0:rc4 | 6.1 | 6.2 | 6.3 | 6.4 | 6.5 | 6.6 | 6.7 | 6.8 | 6.9 | 6.10 | 6.11 | 6.12 | 6.13 | 6.14 | 6.15 | 6.16 | 6.17 | 6.18 | 6.19 | 6.20 | 6.21 | 6.22 | 6.23 | 6.24 | 6.25 | 6.26 | 6.27 | 6.28
Ubuntu1 product
- drupal7< 7.24-1
2 vendors · 2 products