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CVE-2017-16894

90
FAUCET Score

CVE-2017-16894 describes an information disclosure vulnerability in Laravel framework versions through 5.5.21, allowing remote attackers to retrieve sensitive data like passwords by directly requesting the /.env file. This flaw stems from the writeNewEnvironmentFileWith function not properly restricting .env file permissions. The vulnerability carries a high CVSS score of 7.5, indicating a network-based attack with low complexity and high confidentiality impact. While not listed in CISA's KEV catalog, exploit intelligence shows available Metasploit modules and Nuclei templates, suggesting potential for exploitation despite limited public discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 5.5.21CPE matchmatch criteria
cpe:2.3:a:laravel:laravel:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
87.03%
Probability of exploitation in next 30 days
EPSS Percentile
99.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
Metasploit: PHP Laravel Framework token Unserialize Remote Command Execution · Aug 7, 2018
Nuclei: CVE-2017-16894 · Apr 13, 2023
ExploitDB: EDB-47129 · Jul 16, 2019
This CVE's current EPSS score of 0.8703 is in the 100th percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

packetstormsecurity.com / files/153641/PHP-Laravel-Framework-Token-Unserialize-Remote-Command-Execution.html
twitter.com / finnwea/status/967709791442341888
whiteboyz.xyz / laravel-env-file-vuln.html
Third Party AdvisoryURL Repurposed