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Vulnerability details: VCID-jqth-wfgx-87cx
Vulnerability ID VCID-jqth-wfgx-87cx
Aliases CVE-2017-14251
GHSA-fh4q-hxrw-cjqq
Summary Unrestricted Upload of File with Dangerous Type Unrestricted File Upload vulnerability in the `fileDenyPattern` in `sysext/core/Classes/Core/SystemEnvironmentBuilder`.
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
CWE-434 Unrestricted Upload of File with Dangerous Type
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
cvssv3.1 8.8 http://blog.emaze.net/2017/12/typo3-unrestricted-file-upload-remote.html
generic_textual HIGH http://blog.emaze.net/2017/12/typo3-unrestricted-file-upload-remote.html
epss 0.03536 https://api.first.org/data/v1/epss?cve=CVE-2017-14251
epss 0.03536 https://api.first.org/data/v1/epss?cve=CVE-2017-14251
epss 0.03536 https://api.first.org/data/v1/epss?cve=CVE-2017-14251
epss 0.03536 https://api.first.org/data/v1/epss?cve=CVE-2017-14251
epss 0.03536 https://api.first.org/data/v1/epss?cve=CVE-2017-14251
epss 0.03536 https://api.first.org/data/v1/epss?cve=CVE-2017-14251
epss 0.03536 https://api.first.org/data/v1/epss?cve=CVE-2017-14251
epss 0.03536 https://api.first.org/data/v1/epss?cve=CVE-2017-14251
epss 0.03536 https://api.first.org/data/v1/epss?cve=CVE-2017-14251
cvssv3.1_qr HIGH https://github.com/advisories/GHSA-fh4q-hxrw-cjqq
cvssv3.1 8.8 https://github.com/TYPO3/typo3
generic_textual HIGH https://github.com/TYPO3/typo3
cvssv2 6.5 https://nvd.nist.gov/vuln/detail/CVE-2017-14251
cvssv3 8.8 https://nvd.nist.gov/vuln/detail/CVE-2017-14251
cvssv3.1 8.8 https://nvd.nist.gov/vuln/detail/CVE-2017-14251
generic_textual HIGH https://nvd.nist.gov/vuln/detail/CVE-2017-14251
cvssv3.1 8.8 https://typo3.org/teams/security/security-bulletins/typo3-core/typo3-core-sa-2017-007
generic_textual HIGH https://typo3.org/teams/security/security-bulletins/typo3-core/typo3-core-sa-2017-007
cvssv3.1 8.8 http://www.securityfocus.com/bid/100620
generic_textual HIGH http://www.securityfocus.com/bid/100620
cvssv3.1 8.8 http://www.securitytracker.com/id/1039295
generic_textual HIGH http://www.securitytracker.com/id/1039295
Reference id Reference type URL
http://blog.emaze.net/2017/12/typo3-unrestricted-file-upload-remote.html
https://api.first.org/data/v1/epss?cve=CVE-2017-14251
https://github.com/TYPO3/typo3
https://typo3.org/teams/security/security-bulletins/typo3-core/typo3-core-sa-2017-007
https://typo3.org/teams/security/security-bulletins/typo3-core/typo3-core-sa-2017-007/
http://www.securityfocus.com/bid/100620
http://www.securitytracker.com/id/1039295
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cpe:2.3:a:typo3:typo3:7.6.5:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:typo3:typo3:7.6.5:*:*:*:*:*:*:*
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cpe:2.3:a:typo3:typo3:7.6.9:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:typo3:typo3:7.6.9:*:*:*:*:*:*:*
cpe:2.3:a:typo3:typo3:8.0.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:typo3:typo3:8.0.0:*:*:*:*:*:*:*
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cpe:2.3:a:typo3:typo3:8.1.2:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:typo3:typo3:8.1.2:*:*:*:*:*:*:*
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CVE-2017-14251 https://nvd.nist.gov/vuln/detail/CVE-2017-14251
GHSA-fh4q-hxrw-cjqq https://github.com/advisories/GHSA-fh4q-hxrw-cjqq
No exploits are available.
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Found at http://blog.emaze.net/2017/12/typo3-unrestricted-file-upload-remote.html
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Found at https://github.com/TYPO3/typo3
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: AV:N/AC:L/Au:S/C:P/I:P/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2017-14251
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2017-14251
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2017-14251
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Found at https://typo3.org/teams/security/security-bulletins/typo3-core/typo3-core-sa-2017-007
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Found at http://www.securityfocus.com/bid/100620
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Found at http://www.securitytracker.com/id/1039295
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.87614
EPSS Score 0.03536
Published At April 1, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T12:47:19.935450+00:00 GitLab Importer Import https://gitlab.com/gitlab-org/advisories-community/-/blob/main/packagist/typo3/cms/CVE-2017-14251.yml 38.0.0