6.8

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.

Overall risk
28/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.8/10
010
Medium · v2.0 (NVD)
EPSS score
2.08%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 3

Timeline

  1. 07-12-2013
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last 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 version

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 score
2.08%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected 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

References

7 links