All vulnerabilities

Servers and applications

CVE-2011-0398

The Piwik_Common::getIP function in Piwik before 1.1 does not properly determine the client IP address, which allows remote attackers to bypass intended geolocation and logging functionality via (1) use of a private (aka RFC 1918) address behind a proxy server or (2) spoofing of the X-Forwarded-For HTTP header.

Severity
Medium 6.4
Published
10 Jan 2011
Last changed
16 Jun 2026
Added to UpHeron
21 Oct 2026
Exploit chance
1.3% in the next 30 daysHigher than 71% of CVEs. EPSS by FIRST, 12 Nov 2026
Weakness
CWE-264
Attack
Over the network · No login needed
Attacker can
Read some data · Change some data
CVSS vector
AV:N/AC:L/Au:N/C:P/I:P/A:N
Sources
NVD

Affected software

SoftwareAffected versions
MatomoServers and applications · cpe:a:matomo:matomo
  • Version 0.9.9
  • Version 0.9
  • Version 0.8
  • Version 0.7
All 67 release lines
  • Every version up to 1.0
  • Version 0.1
  • Version 0.1.1
  • Version 0.1.2
  • Version 0.1.3
  • Version 0.1.4
  • Version 0.1.5
  • Version 0.1.6
  • Version 0.1.7
  • Version 0.1.8
  • Version 0.1.9
  • Version 0.1.10
  • Version 0.2.1
  • Version 0.2.2
  • Version 0.2.3
  • Version 0.2.4
  • Version 0.2.5
  • Version 0.2.6
  • Version 0.2.7
  • Version 0.2.8
  • Version 0.2.9
  • Version 0.2.10
  • Version 0.2.11
  • Version 0.2.12
  • Version 0.2.13
  • Version 0.2.14
  • Version 0.2.16
  • Version 0.2.17
  • Version 0.2.18
  • Version 0.2.19
  • Version 0.2.20
  • Version 0.2.22
  • Version 0.2.23
  • Version 0.2.24
  • Version 0.2.25
  • Version 0.2.26
  • Version 0.2.27
  • Version 0.2.28
  • Version 0.2.29
  • Version 0.2.30
  • Version 0.2.31
  • Version 0.2.32
  • Version 0.2.33
  • Version 0.2.34
  • Version 0.4-rc1
  • Version 0.4-rc2
  • Version 0.4-rc3
  • Version 0.4.1-rc1
  • Version 0.4.4
  • Version 0.4.5
  • Version 0.5
  • Version 0.5.1
  • Version 0.5.2
  • Version 0.5.3
  • Version 0.5.4
  • Version 0.5.5
  • Version 0.6
  • Version 0.6.1
  • Version 0.6.2
  • Version 0.6.3-rc1
  • Version 0.6.3-rc2
  • Version 0.6.3
  • Version 0.6.4
  • Version 0.7
  • Version 0.8
  • Version 0.9
  • Version 0.9.9

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2011-0398
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2011-0398