CVE-2018-20658
The server in Core FTP 2.0 build 653 on 32-bit platforms allows remote attackers to cause a...
The server in Core FTP 2.0 build 653 on 32-bit platforms allows remote attackers to cause a denial of service (daemon crash) via a crafted XRMD command.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
The server in Core FTP 2.0 build 653 on 32-bit platforms allows remote attackers to cause a denial of service (daemon crash) via a crafted XRMD command.
- Record
CVE-2018-20658- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-20
- Updated
- 2026-11-02
CVE List No score
The server in Core FTP 2.0 build 653 on 32-bit platforms allows remote attackers to cause a denial of service (daemon crash) via a crafted XRMD command.
- Record
CVE-2018-20658- Updated
- 2026-11-02
EUVDEUVD-2018-13209 No score
The server in Core FTP 2.0 build 653 on 32-bit platforms allows remote attackers to cause a denial of service (daemon crash) via a crafted XRMD command.
- Record
EUVD-2018-13209- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-7wjj-g2fp-6r9j
The server in Core FTP 2.0 build 653 on 32-bit platforms allows remote attackers to cause a...
The server in Core FTP 2.0 build 653 on 32-bit platforms allows remote attackers to cause a denial of service (daemon crash) via a crafted XRMD command.
- Record
GHSA-7wjj-g2fp-6r9j- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-20
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Core FTP 2.0 - 'XRMD' Denial of Service (PoC) | 2018-07-26 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-20658 is a high vulnerability (CVSS 7.5) in Coreftp Core Ftp, published January 2, 2019. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 8.49%, the 95th percentile. No source names a fixed version.