CVE-2009-0543

ProFTPD Server 1.3.1, with NLS support enabled, allows remote attackers to bypass SQL injection...

6.8 MediumPublic exploitFix available

ProFTPD Server 1.3.1, with NLS support enabled, allows remote attackers to bypass SQL injection protection mechanisms via invalid, encoded multibyte characters, which are not properly handled in (1) mod_sql_mysql and (2) mod_sql_postgres.

Exploit likelihood

15.8%Up 14.5 points since Feb 4, 2022

What each source reports

NVD Score used 6.8

Record: CVE-2009-0543
CVSS 2.0: 6.8 MediumAV:N/AC:M/Au:N/C:P/I:P/A:P
Weakness: CWE-89
Updated: 2026-11-02

CVE List No score

Record: CVE-2009-0543
Updated: 2026-11-02

EUVDEUVD-2009-0547 No score

Record: EUVD-2009-0547
Updated: 2026-11-03

GitHub AdvisoriesGHSA-3qqr-wq7g-hxwh No score

ProFTPD Server 1.3.1, with NLS support enabled, allows remote attackers to bypass SQL injection...

Record: GHSA-3qqr-wq7g-hxwh
Weakness: CWE-89
Updated: 2026-11-02

OSV No score

Record: CVE-2009-0543
Updated: 2026-11-02

OSVDEBIAN-CVE-2009-0543 No score

Record: DEBIAN-CVE-2009-0543
Updated: 2026-11-02

OSVopenSUSE-SU-2024:10048-1 No score

proftpd-1.3.5b-2.5 on GA media

These are all security issues fixed in the proftpd-1.3.5b-2.5 package on the GA media of openSUSE Tumbleweed.

Record: openSUSE-SU-2024:10048-1
Updated: 2026-11-02

Affected products

proftpd

Affected packages

Affected packages
Package	Affected	Fixed
`proftpd-dfsg` Debian:12	before 1.3.2-1	1.3.2-1
`proftpd-dfsg` Debian:13	before 1.3.2-1	1.3.2-1
`proftpd-dfsg` Debian:14	before 1.3.2-1	1.3.2-1
`proftpd-dfsg` Debian:5.0 From an advisory covering 2 CVEs	before 1.3.1-17lenny1, plus listed versions 1.3.1-161.3.1-17	1.3.1-17lenny1
`proftpd-dfsg` Debian:5.0 From an advisory covering 2 CVEs	before 1.3.1-17lenny2, plus listed versions 1.3.1-161.3.1-171.3.1-17lenny11.3.1-17lenny2~bpo40+1	1.3.1-17lenny2
`proftpd` openSUSE:Tumbleweed From an advisory covering 8 CVEs	before 1.3.5b-2.5	1.3.5b-2.5

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
Exploit-DB	ProFTPd - 'mod_mysql' Authentication Bypass	2009-02-10

History

History
Recorded	Changed	Sources
Nov 6, 2026	affected, facts
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, Exploit-DB, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2009-0543 is a medium vulnerability (CVSS 6.8) in Proftpd, published February 12, 2009. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 15.8%, the 96th percentile. Fixed in proftpd-dfsg 1.3.2-1.

References

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