CVE-2017-16894

Name: CVE-2017-16894
Creator: NVD / NIST
Published: 2017-11-20T01:29:00.227+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 87.03%

Last modified Jun 17, 2026

CVE-2017-16894 is a vulnerability of currently unknown severity. In Laravel framework through 5.5.21, remote attackers can obtain sensitive information (such as externally usable passwords) via a direct request for the /.env URI. NOTE: this CVE is only about Laravel framework's writeNewEnvironmentFileWith function in src/Illuminate/Foundation/Console/KeyGenerateCommand.php, which uses file_put_contents without restricting the .env permissions. EPSS estimates a 87.03% chance of exploitation in the next 30 days.

Description

In Laravel framework through 5.5.21, remote attackers can obtain sensitive information (such as externally usable passwords) via a direct request for the /.env URI. NOTE: this CVE is only about Laravel framework's writeNewEnvironmentFileWith function in src/Illuminate/Foundation/Console/KeyGenerateCommand.php, which uses file_put_contents without restricting the .env permissions. The .env filename is not used exclusively by Laravel framework.

Metrics

EPSS Probability

87.03%

99.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-200

Affected Software

Vendor	Product	Versions
Laravel	Laravel	<= 5.5.21

References

http://packetstormsecurity.com/files/153641/PHP-Laravel-Framework-Token-Unserialize-Remote-Command-Execution.html
http://whiteboyz.xyz/laravel-env-file-vuln.htmlThird Party Advisory, URL Repurposed
https://twitter.com/finnwea/status/967709791442341888
http://packetstormsecurity.com/files/153641/PHP-Laravel-Framework-Token-Unserialize-Remote-Command-Execution.html
http://whiteboyz.xyz/laravel-env-file-vuln.htmlThird Party Advisory, URL Repurposed
https://twitter.com/finnwea/status/967709791442341888

Timeline

Published: Nov 20, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-16894?

How severe is CVE-2017-16894?

Severity scoring for CVE-2017-16894 is pending analysis. The EPSS model estimates a 87.03% probability of exploitation in the next 30 days.

How do I fix CVE-2017-16894?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-16894?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST