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CVE-2019-12276

HighPublished

A Path Traversal vulnerability in Controllers/LetsEncryptController.cs in LetsEncryptController in GrandNode 4.40 allows remote, unauthenticated attackers...

Published: Jun 5, 2019
Updated: Aug 4, 2024
Assigning CNA: mitre
Evidence observed: Jun 24, 2019

Primary CVSS

7.5/ 10High

nvd · CVSS 3.0

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

EPSS probability estimate

26.5%

Moderate · next 30 days

Percentile: 98.0%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

A Path Traversal vulnerability in Controllers/LetsEncryptController.cs in LetsEncryptController in GrandNode 4.40 allows remote, unauthenticated attackers to retrieve arbitrary files on the web server via specially crafted LetsEncrypt/Index?fileName= HTTP requests. A patch for this issue was made on 2019-05-30 in GrandNode 4.40.

Sources

GrandNode 4.40 - Path Traversal / Arbitrary File DownloadExploit
Corey Robinson · multiple · Jun 24, 2019

Responsible use

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