Vulnerability Report

CVE-2017-16894

Title: Laravel Information Disclosure

Information Disclosure

Proof Of Concept

PoC Available for CVE-2017-16894

CWE Category CWE-200

Published Date Nov 20, 2017

Modified Date May 13, 2026

Exploit Status Available

Score 7.5 CVSS v3.0

Exploit Probability (EPSS)

88.79%

Vulnerability Summary

CVE-2017-16894: 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.

Impacted Vendors

laravel 1

Reference Links

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

CVSS v3.0

Source Entity [email protected]

Severity HIGH

7.5

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

RAW VECTOR CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CVSS v2.0

Source Entity [email protected]

Severity MEDIUM

5.0

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:N/AC:L/Au:N/C:P/I:N/A:N

Associated Attack Patterns (CAPEC)

Total: Patterns