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Fencer Intel
high 7.5

CVE-2019-12276 in the critical feed json

A Path Traversal vulnerability in Controllers/LetsEncryptController.cs in LetsEncryptController in GrandNode 4.40 allows remote, unauthenti…

published 7y ago modified 4mo ago also EUVD-2019-3917

cvss
7.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
60.1%
EPSS 60.1% chance of exploitation in 30 days, percentile 99.1%
public exploits
1
Exploit-DB, plus a Nuclei check

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.

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Timeline

  1. Published
  2. First public exploit (EDB-47027)

Exploit prediction

60.13% chance of exploitation in the next 30 days, higher than 99.1% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • EDB-47027 GrandNode 4.40 - Path Traversal / Arbitrary File Download webapps, 2019-06-24
  • Nuclei template GrandNode 4.40 - Local File Inclusion nuclei detection template

CVSS scores

assigned by version score vector
NVD 3.0 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:P/I:N/A:N

Classification

Weakness
  • CWE-22 Improper Limitation of a Pathname to a Restricted Directory

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.