vulnerability
Ubuntu: (CVE-2020-9273): proftpd-dfsg vulnerability
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 9 | (AV:N/AC:L/Au:S/C:C/I:C/A:C) | Feb 20, 2020 | Jun 26, 2025 | Mar 27, 2026 |
Severity
9
CVSS
(AV:N/AC:L/Au:S/C:C/I:C/A:C)
Published
Feb 20, 2020
Added
Jun 26, 2025
Modified
Mar 27, 2026
Description
In ProFTPD 1.3.7, it is possible to corrupt the memory pool by interrupting the data transfer channel. This triggers a use-after-free in alloc_pool in pool.c, and possible remote code execution.
Solution
no-fix-ubuntu-package
References
- CVE-2020-9273
- https://attackerkb.com/topics/CVE-2020-9273
- CWE-416
- EUVD-EUVD-2020-30102
- https://euvd.enisa.europa.eu/vulnerability/EUVD-2020-30102
- https://github.com/proftpd/proftpd/blob/master/RELEASE_NOTES
- https://github.com/proftpd/proftpd/commit/d388f7904d4c9a6d0ea54237b8b54a57c19d8d49
- https://github.com/proftpd/proftpd/commit/e845abc1bd86eebec7a0342fded908a1b0f1996b
- https://github.com/proftpd/proftpd/issues/903
- https://www.cve.org/CVERecord?id=CVE-2020-9273
Rapid7 Labs
2026 Global Threat Landscape Report
The predictive window has collapsed. Exploitation follows disclosure in days. See how attackers are accelerating and how to stay ahead.