CVE-2017-11364

8.8 HIGH

Published: August 02, 2017 Modified: May 13, 2026

Description

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.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

http://www.securitytracker.com/id/1039015

Source: cve@mitre.org

Third Party Advisory VDB Entry

https://developer.joomla.org/security-centre/700-20170704-core-installer-lack-of-ownership-verification.html

Source: cve@mitre.org

Vendor Advisory

https://media.defcon.org/DEF%20CON%2025/DEF%20CON%2025%20presentations/DEFCON-25-Hanno-Boeck-Abusing-Certificate-Transparency-Logs.pdf

Source: cve@mitre.org

Third Party Advisory

https://twitter.com/hanno/status/890281330906247168

Source: cve@mitre.org

Third Party Advisory

http://www.securitytracker.com/id/1039015

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory VDB Entry

https://developer.joomla.org/security-centre/700-20170704-core-installer-lack-of-ownership-verification.html

Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory

https://media.defcon.org/DEF%20CON%2025/DEF%20CON%2025%20presentations/DEFCON-25-Hanno-Boeck-Abusing-Certificate-Transparency-Logs.pdf

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

https://twitter.com/hanno/status/890281330906247168

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

8 reference(s) from NVD

Quick Stats

CVSS v3 Score

8.8 / 10.0

EPSS (Exploit Probability)

2.2%

80th percentile

Exploitation Status

Not in CISA KEV

Weaknesses (CWE)

CWE-295

Affected Vendors

joomla

Related CVEs