Path Traversal in Coreftp Core FTP
CVE-2019-9648
An issue was discovered in the SFTP Server component in Core FTP 2.0 Build 674. A directory traversal vulnerability exists using the SIZE command along with a \..\..\ substring, allowing an attacker to enumerate file existence based on the returned information.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.143 (96.5th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 96.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.143 · newest: 0.143 · change: 0.000
Affected products
- Coreftp Core FTP — versions 2.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.securityfocus.com/bid/107446 (VDB Entry, Third Party Advisory, vdb-entry)
- www.coreftp.com/forums/viewtopic.php (Product, Vendor Advisory)
- www.exploit-db.com/exploits/46535 (Exploit, VDB Entry, Third Party Advisory, exploit)
- seclists.org/fulldisclosure/2019/Mar/23 (mailing-list, Exploit, Mailing List, Third Party Advisory)
- seclists.org/fulldisclosure/2019/Aug/21 (mailing-list)
- packetstormsecurity.com/files/154204/CoreFTP-Server-SIZE-Directory-Traversal.ht…
Frequently asked questions
- What is CVE-2019-9648?
- CVE-2019-9648 is a medium-severity vulnerability in Coreftp Core FTP, classified under Path Traversal. CVSS score: 5.3/10. Published 2019-03-22.
- How severe is CVE-2019-9648?
- Medium severity. CVSS v3 base score is 5.3 out of 10.
- Is CVE-2019-9648 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.