# CVE-2021-43503: Remote Code Execution in Laravel

Source: https://junglewise.ai/threats/cve-2021-43503-remote-code-execution-in-laravel  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2022-04-09  
License: CC BY 4.0 with a link back

CVE-2021-43503 · Severity: low · CVSS 3.1 · Published 2022-04-09

Remote Code Execution in Laravel

Technologies: [laravel/laravel (Packagist)](https://junglewise.ai/threats/technologies/laravel-laravel). Vendors: [Packagist](https://junglewise.ai/threats/vendors/packagist).

## Quick answers

**Is CVE-2021-43503 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2021-43503 being exploited in the wild.

**How severe is CVE-2021-43503?** Low severity, with a CVSS score of 3.1, published 9 April 2022.

**Which products and versions are affected?** laravel/laravel (Packagist) ECOSYSTEM:introduced=0,last_affected=5.8.38.

**Is there a fix for CVE-2021-43503?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**Am I affected by CVE-2021-43503?** Check whether you run laravel/laravel (Packagist) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- laravel/laravel (Packagist) ECOSYSTEM:introduced=0,last_affected=5.8.38

## Identifiers

- CVE-2021-43503
- GHSA-86r3-4gq8-xw8q

## Related threats

- [Unserialized Pop Chain in Laravel](https://junglewise.ai/threats/cve-2022-31279-unserialized-pop-chain-in-laravel)
- [Laravel does not properly constrain the host portion of a password-reset URL](https://junglewise.ai/threats/cve-2017-9303-laravel-does-not-properly-constrain-the-host-portion-of-a-password)