CVE-2021-43617
9.8
CRITICAL
CVSS 3.1
EPSS 50.1%
Description
Laravel Framework through 8.70.2 does not sufficiently block the upload of executable PHP content because Illuminate/Validation/Concerns/ValidatesAttributes.php lacks a check for .phar files, which are handled as application/x-httpd-php on systems based on Debian. NOTE: this CVE Record is for Laravel Framework, and is unrelated to any reports concerning incorrectly written user applications for image upload.
How to fix CVE-2021-43617
To remediate CVE-2021-43617, upgrade the affected package to a fixed version below.
- —upgrade to 6.20.14+dfsg-2+deb11u1 or later
Is CVE-2021-43617 being exploited?
Likely — EPSS is 50.1%, placing CVE-2021-43617 in the top tier of vulnerabilities by exploitation probability. Prioritise patching.
Affected packages (1)
- from 0, < 6.20.14+dfsg-2+deb11u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |