CVE-2022-22836
CoreFTP Server before 727 allows directory traversal (for file creation) by an authenticated attacker via ../ in an HTTP PUT request.
Does this matter?
A public exploit is published in Exploit-DB, so the technical barrier is gone even though the severity is medium and EPSS is 5.4%. Treat it as high on anything reachable from the internet.
Description
CoreFTP Server before 727 allows directory traversal (for file creation) by an authenticated attacker via ../ in an HTTP PUT request.
- CVSS 3.1
- 6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
- EPSS
- 5.37% probability · 93th percentile
- Public exploits
- 1 in Exploit-DB · first 10 January 2022
- CISA KEV
- Not listed
- Weakness
- CWE-22
- Affected
- coreftp/core ftp
- Source
- cve@mitre.org
EPSS 5.4% since 26 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
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://www.coreftp.com/forums/viewtopic.php?f=15&t=4022509Release Notes, Vendor Advisory
- https://yoursecuritybores.me/coreftp-vulnerabilities/Exploit, Third Party Advisory
- http://www.coreftp.com/forums/viewtopic.php?f=15&t=4022509Release Notes, Vendor Advisory
- https://yoursecuritybores.me/coreftp-vulnerabilities/Exploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.