CVE-2014-3941
Typo3 Host Header Spoofing Vulnerability
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."
Exploit likelihood
What each source reports
NVD Score used
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."
- Record
CVE-2014-3941- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:P/A:N - Weakness
- CWE-20
- Updated
- 2026-11-02
CVE List No score
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."
- Record
CVE-2014-3941- Updated
- 2026-11-02
EUVDEUVD-2022-2541 No score
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."
- Record
EUVD-2022-2541- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-594h-cx6w-p4jf No score
Typo3 Host Header Spoofing Vulnerability
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."
- Record
GHSA-594h-cx6w-p4jf- Weakness
- CWE-20
- Updated
- 2026-11-02
OSVGHSA-594h-cx6w-p4jf No score
Typo3 Host Header Spoofing Vulnerability
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."
- Record
GHSA-594h-cx6w-p4jf- Weakness
- CWE-20
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
typo3/cmsPackagist |
4.5.0 to 4.5.33 | 4.5.34 |
typo3/cmsPackagist |
4.7.0 to 4.7.18 | 4.7.19 |
typo3/cmsPackagist |
6.0.0 to 6.0.13 | 6.0.14 |
typo3/cmsPackagist |
6.1.0 to 6.1.8 | 6.1.9 |
typo3/cmsPackagist |
6.2.0 up to 6.2.3 | 6.2.3 |
typo3-srcDebian:7 From an advisory covering 6 CVEs |
before 4.5.19+dfsg1-5+wheezy3, plus listed versions 4.5.19+dfsg1-54.5.19+dfsg1-5+wheezy14.5.19+dfsg1-5+wheezy2 |
4.5.19+dfsg1-5+wheezy3 |
typo3/cmsPackagist |
4.5.0 up to 4.5.34 | 4.5.34 |
typo3/cmsPackagist |
4.7.0 up to 4.7.19 | 4.7.19 |
typo3/cmsPackagist |
6.0.0 up to 6.0.14 | 6.0.14 |
typo3/cmsPackagist |
6.1.0 up to 6.1.9 | 6.1.9 |
typo3/cmsPackagist |
6.2.0 up to 6.2.3, plus listed versions 6.2.16.2.2 |
6.2.3 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2014-3941 is a medium vulnerability (CVSS 5.0) in Typo3, published May 31, 2014. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.71%, the 86th percentile. Fixed in typo3/cms 4.5.34.
References
lists.opensuse.org/opensuse-security-announce/2016-08/msg00028.html
debian.org/security/2014/dsa-2942
typo3.org/teams/security/security-bulletins/typo3-core/typo3-core-sa-2014-001
openwall.com/lists/oss-security/2014/06/03/2
nvd.nist.gov/vuln/detail/CVE-2014-3941
github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms/CVE-2014-3941.yaml