Description
In ProFTPD through 1.3.8b before cec01cc, supplemental group inheritance grants unintended access to GID 0 because of the lack of supplemental groups from mod_sql.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | proftpd-dfsg | 1.3.8.b+dfsg-4 | — |
| Debian 13 | proftpd-dfsg | 1.3.8.b+dfsg-4 | — |
| Debian 12 | proftpd-dfsg | 1.3.8+dfsg-4+deb12u4 | DSA-5827-1 |
| Debian 11 | proftpd-dfsg | 1.3.7a+dfsg-12+deb11u3 | DLA-3975-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 24.04 LTS | proftpd-dfsg | 1.3.8.b+dfsg-1ubuntu0.1 | USN-7297-1 |
| Ubuntu 22.04 LTS | proftpd-dfsg | 1.3.7c+dfsg-1ubuntu0.1 | USN-7297-1 |
| Ubuntu 20.04 LTS | proftpd-dfsg | 1.3.6c-2ubuntu0.1 | USN-7297-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP6 | proftpd | 1.3.8b-150600.13.6.1 | SUSE-SU-2025:1028-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | proftpd | 1.3.8c-1.1 | openSUSE-SU-2025:14636-1 |
| openSUSE Leap 15.6 | proftpd | 1.3.8b-150600.13.6.1 | SUSE-SU-2025:1028-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | proftpd | 1.3.8c-r0 | — |
| Alpine v3.23 | proftpd | 1.3.8c-r0 | — |
| Alpine v3.22 | proftpd | 1.3.8c-r0 | — |
| Alpine v3.21 | proftpd | 1.3.8c-r0 | — |
| Alpine v3.20 | proftpd | 1.3.8c-r0 | — |
Automated scanner template
A ready-made Nuclei template detects this vulnerability automatically. Vulnerabilities with public scanner templates are typically probed across the internet soon after the template appears — exposed systems should be patched first.
- ProFTPD ≤ 1.3.8b - Privilege Escalation via mod_sql network/cves/2024/CVE-2024-48651.yaml
Source: projectdiscovery/nuclei-templates (MIT) — updated daily. Only links are listed.
Advisories 6
- USN-7297-1 ProFTPD vulnerabilities Ubuntu Security Notices (USN) · Apr 27, 2026
- DSA-5827-1 proftpd-dfsg - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-3975-1 proftpd-dfsg - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2025:1028-1 Security update for proftpd SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2024-3564 ProFTPD: Schwachstelle ermöglicht Privilegieneskalation BSI CERT-Bund (WID) · Aug 25, 2025
- openSUSE-SU-2025:14636-1 proftpd-1.3.8c-1.1 on GA media SUSE / openSUSE Security Updates · May 7, 2025