CVE-2021-43617 is a critical vulnerability affecting Laravel Framework versions through 8.70.2, stemming from insufficient validation that allows the upload of executable PHP content via .phar files on Debian-based systems. With a CVSS score of 9.8 (CRITICAL), this vulnerability presents a severe risk due to its network-based attack vector, low complexity, and potential for complete compromise of confidentiality, integrity, and availability. While no active exploitation or Metasploit/Nuclei modules are reported, an ExploitDB entry exists for a related XSS to CSRF vulnerability, and there is minimal community discussion or media coverage surrounding this specific CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 8.70.2CPE matchmatch criteria | cpe:2.3:a:laravel:framework:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.