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CVE-2011-0398· NVD / CVE Program· CNA mitre

The Piwik_Common::getIP function in Piwik before 1.1 does not properly determine the client IP address, which allows remote attackers to byp

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.

MediumCVSS 6.4 · v2.0—No exploit No fix recorded
Published
Jan 10, 2011
Updated
Jun 16, 2026
EPSS
1.3% · 70th percentile
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JSON

Action score

25

Monitor

Low priority for now.

CVSS
25 / 40 · 6.4 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 1.3%

Affected systems

VendorProduct
matomomatomo

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • matomo matomoup to 1.0 inclusive
  • matomo matomo0.1
  • matomo matomo0.1.1
  • matomo matomo0.1.10
  • matomo matomo0.1.2
  • matomo matomo0.1.3
  • matomo matomo0.1.4
  • matomo matomo0.1.5
  • matomo matomo0.1.6
  • matomo matomo0.1.7
  • matomo matomo0.1.8
  • matomo matomo0.1.9
  • matomo matomo0.2.1
  • matomo matomo0.2.10
  • matomo matomo0.2.11
  • matomo matomo0.2.12
  • matomo matomo0.2.13
  • matomo matomo0.2.14
  • matomo matomo0.2.16
  • matomo matomo0.2.17

Same product

matomo: all records

Other highest-scoring records for the same primary product.

  • CVE-2009-4137The loadContentFromCookie function in core/Cookie.php in Piwik before 0.5 does not validate strings obtained from cookies before calling the
    35Monitor
  • CVE-2015-7816The DisplayTopKeywords function in plugins/Referrers/Controller.php in Piwik before 2.15.0 allows remote attackers to conduct PHP object inj
    31Monitor
  • CVE-2015-7815Directory traversal vulnerability in core/ViewDataTable/Factory.php in Piwik before 2.15.0 allows remote attackers to include and execute ar
    31Monitor
  • CVE-2011-4941Unspecified vulnerability in Piwik 1.2 through 1.4 allows remote attackers with the view permission to execute arbitrary code via unknown at
    28Monitor
  • CVE-2010-2786Directory traversal vulnerability in Piwik 0.6 through 0.6.3 allows remote attackers to include arbitrary local files and possibly have unsp
    28Monitor
  • CVE-2023-6923Matomo <= 4.15.3 - Reflected Cross-Site Scripting via idsite
    24Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

The product’s vendor appears in a public program. Matched by name; verify the scope text in the program.

Technical details

Attack conditions

  • No special conditions are required; it is repeatable.

If successful

Confidentiality
P · data can be read
Integrity
P · data or configuration can be modified
Availability
none
Attack complexity
Low
Confidentiality impact
P
Integrity impact
P
Availability impact
None

Weakness class (CWE)

CWE-264 · Permissions, Privileges, and Access Controls

CVSS vector

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

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

MITRE has no CAPEC/ATT&CK mapping for this CWE.

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

We use this product, ask for help

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records