HOMEVULNERABILITIESCVE-2014-9509
HIGH

CVE-2014-9509

CWE-20Published: January 4, 2015· Updated: Jun 17, 2026

7.5
CVSS v3.1

Official Description

The frontend rendering component in TYPO3 4.5.x before 4.5.39, 4.6.x through 6.2.x before 6.2.9, and 7.x before 7.0.2, when config.prefixLocalAnchors is set to all or cached, allows remote attackers to have an unspecified impact (possibly resource consumption) via a "Cache Poisoning" attack using a URL with arbitrary arguments, which triggers a reload of the page.

NVD Source

Technical Analysis

CVE-2014-9509 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.
User Interaction
Scope
Impact
ConfidentialityP
IntegrityP
AvailabilityP
AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected Vendors & Products

typo31 product(s)
typo3
Source: NVD CPE · 116 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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Official Patches & Advisories

All References (2)

Quick Facts

CVE IDCVE-2014-9509
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-20
CISA KEVNo
Affected1 vendor(s)
PublishedJan 4, 2015

Related CVEs (CWE-20)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2014-9509 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.