CVE-2019-12276
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=…
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 57.1%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.
Description
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.
- CVSS 3.0
- 7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 57.10% probability · 99th percentile
- Public exploits
- 1 in Exploit-DB · first 24 June 2019
- CISA KEV
- Not listed
- Weakness
- CWE-22
- Affected
- grandnode/grandnode
- Source
- cve@mitre.org
EPSS moved from 26.5% on 21 September 2026 to 57.1% on 27 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- http://packetstormsecurity.com/files/153373/GrandNode-4.40-Path-Traversal-File-Download.html
- https://github.com/grandnode/grandnodeThird Party Advisory
- https://grandnode.comVendor Advisory
- http://packetstormsecurity.com/files/153373/GrandNode-4.40-Path-Traversal-File-Download.html
- https://github.com/grandnode/grandnodeThird Party Advisory
- https://grandnode.comVendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.