CVE-2017-14251 is an unrestricted file upload vulnerability in TYPO3 versions 7.6.0-7.6.21 and 8.0.0-8.7.4, specifically within the fileDenyPattern of sysext/core/Classes/Core/SystemEnvironmentBuilder.php. This flaw allows authenticated attackers to upload files with a .pht extension, leading to arbitrary PHP code execution. With a CVSS score of 8.8 (High), this vulnerability presents a significant risk due to its low attack complexity and potential for complete compromise of confidentiality, integrity, and availability. While no active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion has been observed, the high severity warrants immediate patching.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
7.6.0CPE matchmatch criteria | cpe:2.3:a:typo3:typo3:7.6.0:*:*:*:*:*:*:* | ||
7.6.1CPE matchmatch criteria | cpe:2.3:a:typo3:typo3:7.6.1:*:*:*:*:*:*:* | ||
7.6.2CPE matchmatch criteria | cpe:2.3:a:typo3:typo3:7.6.2:*:*:*:*:*:*:* | ||
7.6.3CPE matchmatch criteria | cpe:2.3:a:typo3:typo3:7.6.3:*:*:*:*:*:*:* | ||
7.6.4CPE matchmatch criteria | cpe:2.3:a:typo3:typo3:7.6.4:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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