CVE-2011-0401

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2011-01-10 · updated 2026-06-16
Weakness: CWE-264

Description

Piwik before 1.1 does not properly limit the number of files stored under tmp/sessions/, which might allow remote attackers to cause a denial of service (inode consumption) by establishing many sessions.

Affected products

matomoteam Matomo Analytics – Powerful, Privacy-First Insights for WordPress: through 1.0; 0.1, 0.1.1, 0.1.2, 0.1.3, 0.1.4, 0.1.5 (+60)

References

http://dev.piwik.org/trac/ticket/1279#comment:13
http://dev.piwik.org/trac/ticket/1910
http://osvdb.org/70381
http://piwik.org/blog/2011/01/piwik-1-1-2/
http://www.securityfocus.com/bid/45787
https://exchange.xforce.ibmcloud.com/vulnerabilities/64638
http://dev.piwik.org/trac/ticket/1279#comment:13
http://dev.piwik.org/trac/ticket/1910
http://osvdb.org/70381
http://piwik.org/blog/2011/01/piwik-1-1-2/
http://www.securityfocus.com/bid/45787
https://exchange.xforce.ibmcloud.com/vulnerabilities/64638

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