CVE-2021-43617: laravel framework
Vulnerability summary
CVE-2021-43617 is a critical (CVSS 9.8) vulnerability in laravel framework. EPSS estimates a 19.81% chance of exploitation in the next 30 days, higher than 97.3% of scored vulnerabilities. 1 public exploit is recorded.
Timeline
- 14-11-2021PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
3 scores · 2 sources · 2 versions- OSV · DebianEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
19.81%
Chance of exploitation in the next 30 days
Percentile
97%
Versus all other CVEs
30-day change
0.00 pp
From 19.81% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundPHP Laravel 8.70.1 - Cross Site Scripting (XSS) to Cross Site Request Forgery (CSRF)
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Debian1 product
- php-laravel-framework< 6.20.14+dfsg-3
Laravel1 product
- framework≤ 8.70.2
2 vendors · 2 products
References
4 links- salsa.debian.org/php-team/php/-/commit/dc253886b5b2e9bc8d9e36db787abb083a667fd8X Refsource MISCPatchThird Party Advisory
- salsa.debian.org/php-team/php/-/blob/dc253886b5b2e9bc8d9e36db787abb083a667fd8/debian/php-cgi.confX Refsource MISCPatchThird Party Advisory