Vulnerability Report

CVE-2011-0401

Title: Matomo Denial of Service (DoS)

DoS

Proof Of Concept

No public PoC currently indexed for CVE-2011-0401.

CWE Category CWE-264

Published Date Jan 10, 2011

Modified Date Apr 29, 2026

Exploit Status Not Found

Score 5.0 CVSS v2.0

Exploit Probability (EPSS)

1.19%

Vulnerability Summary

CVE-2011-0401: 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.

Impacted Vendors

matomo 1

mediawiki 1

Reference Links

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

CVSS v2.0

Source Entity [email protected]

Severity MEDIUM

5.0

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:N/AC:L/Au:N/C:N/I:N/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2011-0401 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

April 29, 2026 MODIFIED

Vulnerability data updated via NVD.

April 11, 2025 MODIFIED

Vulnerability data or affected products updated.

January 10, 2011 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector N/A

Complexity N/A

Privileges N/A

Interaction NONE

CVSS Vector String


                                    AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected Stack

No specific products linked.