CVE-2017-11364

high-risk
Published 2017-08-02

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.

Do I need to act?

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0.34% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.8/10 High
NETWORK / LOW complexity

Affected Products (20)

Affected Vendors

Joomla

References (8)

Third Party Advisory http://www.securitytracker.com/id/1039015
Vendor Advisory https://developer.joomla.org/security-centre/700-20170704-core-installer-lack-of...
Third Party Advisory https://media.defcon.org/DEF%20CON%2025/DEF%20CON%2025%20presentations/DEFCON-25...
Third Party Advisory https://twitter.com/hanno/status/890281330906247168
Third Party Advisory http://www.securitytracker.com/id/1039015
Vendor Advisory https://developer.joomla.org/security-centre/700-20170704-core-installer-lack-of...
Third Party Advisory https://media.defcon.org/DEF%20CON%2025/DEF%20CON%2025%20presentations/DEFCON-25...
Third Party Advisory https://twitter.com/hanno/status/890281330906247168
64
/ 100
high-risk
Severity 30/34 · Critical
Exploitability 1/34 · Minimal
Exposure 33/34 · Critical