CRITICAL

CVE-2021-43617

CVSS v3

9.8

CRITICAL

EPSS Score

52.8%

exploit probability

CISA KEV

No

known exploited

Exploitation

SSVC status

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.

Technical details

Published
11/14/2021

Frequently asked questions

What is CVE-2021-43617?

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.

Is CVE-2021-43617 actively exploited?

Active exploitation of CVE-2021-43617 has not been confirmed. The EPSS score is 52.8%, indicating the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-43617?

CVE-2021-43617 has a CVSS v3 base score of 9.8 (CRITICAL severity).

Is CVE-2021-43617 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.