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Fencer Intel
medium 5.0

CVE-2014-3941 json

Typo3 Host Header Spoofing Vulnerability

published 2014-06-03 12 y ago modified 2026-06-17 4 mo ago also GHSA-594h-cx6w-p4jf , EUVD-2022-2541

cvss
5.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.7%
EPSS 2.7% chance of exploitation in 30 days, percentile 86%
public exploits
0
none known

Summary

TYPO3 4.5.0 before 4.5.34, 4.7.0 before 4.7.19, 6.0.0 before 6.0.14, 6.1.0 before 6.1.9, and 6.2.0 before 6.2.3 allows remote attackers to have unspecified impact via a crafted HTTP Host header, related to "Host Spoofing."

Patch / fix

  • packagist typo3/cms 4.5.34, 4.7.19, 6.0.14, 6.1.9, 6.2.3

Exploit prediction

2.71% chance of exploitation in the next 30 days, higher than 86% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:P/A:N

Affected packages

ecosystem package affected fixed in
packagist typo3/cms
>=4.5.0, <4.5.34
>=4.7.0, <4.7.19
>=6.0.0, <6.0.14
>=6.1.0, <6.1.9
>=6.2.0, <6.2.3
4.5.34
4.7.19
6.0.14
6.1.9
6.2.3

Classification

Weakness
  • CWE-20 Improper Input Validation

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.