CVE-2017-14251
TYPO3 Arbitrary Code Execution
8.8
HIGH
CVSS 3.1
EPSS 3.5%
Description
Unrestricted File Upload vulnerability in the fileDenyPattern in sysext/core/Classes/Core/SystemEnvironmentBuilder.php in TYPO3 7.6.0 to 7.6.21 and 8.0.0 to 8.7.4 allows remote authenticated users to upload files with a .pht extension and consequently execute arbitrary PHP code.
How to fix CVE-2017-14251
To remediate CVE-2017-14251, upgrade the affected package to a fixed version below.
- —upgrade to 7.6.22 or later
Is CVE-2017-14251 being exploited?
Low — EPSS is 3.5%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- >= 7.6.0, < 7.6.22
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.8 | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |