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...

Published: Nov 14, 2021Updated: Nov 21, 2024 Sources: CVE List NVD GHSA BDUCWE-434

9.8CRITICAL

Description

Withdrawn: Laravel Framework does not sufficiently block the upload of executable PHP content.

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:NAttack Vector

Network

AC:LAttack Complexity

Low

PR:NPrivileges Required

None

UI:NUser Interaction

None

Scope

S:UScope

Unchanged

Impact

C:HConfidentiality

High

I:HIntegrity

High

A:HAvailability

High

Open in CVSS calculator →

Weaknesses

CWE-434

Affected Products

package-ecosystem

individual-dev·AUaka laravel, laravel octane, laravel passport

LaravelLibrary

OSS Libraries / web-framework

laravel

oss-project·USaka livewire, laravel framework

frameworkOn-prem

OSS Libraries / web-framework

and 1 more affected products View all →

Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details

Official Patch Available

Is your org exposed to CVE-2021-43617?Request an assessment to establish which checks are appropriate for your systems. Check my exposure

Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

3 techniques

Command and Control

Initial Access

Persistence

View detailed technique mapping

References

https://nvd.nist.gov/vuln/detail/CVE-2021-43617

nvd.nist.gov

https://github.com/laravel/framework

github.com

https://github.com/laravel/framework/blob/2049de73aa099a113a287587df4cc522c90961f5/src/Illuminate/Validation/Concerns/ValidatesAttributes.php#L1130-L1132

github.com

and 9 more references View all →

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2021-43617 and every CVE in our database. Create a free account — no credit card required.

Create Free Account

Plain-language analysis

Impact assessment and exploitation scenario in plain English

Attack graph visualization

Interactive attack path and kill chain mapping

Exploit details & PoC links

ExploitDB, Metasploit, GitHub PoCs with direct links

Nuclei scanner templates

Ready-to-use vulnerability scanner templates

Full remediation guide

Patch instructions, workarounds, and compliance impact

Interactive AI chat

Ask questions about this vulnerability in natural language

Related vulnerabilities

Semantically similar CVEs and attack patterns

REST API & MCP access

Integrate vulnerability data into your workflows