8.8high

CVE-2017-11364

The CMS installer in Joomla!

Published 9 y ago · modified 4 mo ago · JSON

CVSS
8.8
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
2.2%
percentile 82%
Public exploits
0
none known

Summary

The CMS installer in Joomla! before 3.7.4 does not verify a user's ownership of a webspace, which allows remote authenticated users to gain control of the target application by leveraging Certificate Transparency logs.

Exploit prediction (EPSS)

2.18% probability of exploitation in the next 30 days, higher than 82% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.08.8CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD2.06.5AV:N/AC:L/Au:S/C:P/I:P/A:P

Classification

Weakness
  • CWE-295 Improper Certificate Validation

References

  • twitter.com /hanno/status/890281330906247168 · x_refsource_MISC, x_transferred
  • media.defcon.org /DEF%20CON%2025/DEF%20CON%2025%20presentations/DEFCON-25-Hanno-Boeck-Abusing-Certificate-T · x_refsource_MISC, x_transferred
  • securitytracker.com /id/1039015 · vdb-entry, x_refsource_SECTRACK, x_transferred
  • developer.joomla.org /security-centre/700-20170704-core-installer-lack-of-ownership-verification.html · x_refsource_CONFIRM, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.