CVE-2009-0542· NVD / CVE Program· CNA mitre

SQL injection vulnerability in ProFTPD Server 1.3.1 through 1.3.2rc2 allows remote attackers to execute arbitrary SQL commands via a "%" (pe

Noroxi assessment

Priority: Plan (action score 52/100)

Public proof-of-concept code exists (Exploit-DB); there is no record of exploitation in the wild.
Probability of exploitation in the next 30 days: 73.7% (FIRST EPSS); higher than 99.4% of all records.
No special conditions are required; it is repeatable.
Fixed version: proftpd-dfsg (Debian:12) 1.3.2-1; proftpd-dfsg (Debian:5.0) 1.3.1-17lenny1, 1.3.1-17lenny2; proftpd (openSUSE:Tumbleweed) 1.3.5b-2.5.
Mentioned 1 time in Turkish national cyber security advisories (siberguvenlik.gov.tr).

Add it to your regular patch cycle. Upgrade to proftpd-dfsg (Debian:12) 1.3.2-1; proftpd-dfsg (Debian:5.0) 1.3.1-17lenny1, 1.3.1-17lenny2; proftpd (openSUSE:Tumbleweed) 1.3.5b-2.5 or later.

Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it

Primary sources: NVD · CVE.org · FIRST EPSS

SQL injection vulnerability in ProFTPD Server 1.3.1 through 1.3.2rc2 allows remote attackers to execute arbitrary SQL commands via a "%" (percent) character in the username, which introduces a "'" (single quote) character during variable substitution by mod_sql.

HighCVSS 7.5 · v2.0—Proof of concept Fix available

Published: Feb 12, 2009
Updated: Jun 16, 2026
EPSS: 73.7% · 99th percentile
CWE: CWE-89

Report tools

JSON

Action score

Plan

Add it to your regular patch cycle.

CVSS: 30 / 40 · 7.5 / 10
CISA KEV: 0 / 30 · Not listed
EPSS: 22 / 30 · 73.7%

Get told when this record changes

Not in KEV: no record of exploitation in the wild
Proof of concept exists, no weaponized module
A fix has been released

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Noroxi analysis

What does it mean in your environment?

The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.

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Affected systems

Is your version affected?

Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.

Vendor	Product	CPE
proftpd project	proftpd	cpe:2.3:a:proftpd_project:proftpd

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

proftpd project proftpd1.3.1
proftpd project proftpd1.3.2
proftpd project proftpd1.3.2_rc2

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

Ecosystem	Package	Affected range	Fix
Debian:12	proftpd-dfsg	before 1.3.2-1	1.3.2-1
Debian:5.0	proftpd-dfsg	before 1.3.1-17lenny1	1.3.1-17lenny1
Debian:5.0	proftpd-dfsg	before 1.3.1-17lenny2	1.3.1-17lenny2
openSUSE:Tumbleweed	proftpd	before 1.3.5b-2.5	1.3.5b-2.5

Same product

proftpd project: all records

Other highest-scoring records for the same primary product.

CVE-2006-5815Stack-based buffer overflow in the sreplace function in ProFTPD 1.3.0 and earlier allows remote attackers, probably authenticated, to cause
63This week
CVE-2003-0831ProFTPD 1.2.7 through 1.2.9rc2 does not properly translate newline characters when transferring files in ASCII mode, which allows remote att
54Plan
CVE-1999-0368Buffer overflows in wuarchive ftpd (wu-ftpd) and ProFTPD lead to remote root access, a.k.a.
52Plan

Published before and after this one in the same product

← EarlierCVE-2006-6563Dec 15, 2006 · Stack-based buffer overflow in the pr_ctrls_recv_request function in ctrls.c in the mod_ctrls module in ProFTPD before 1.3.1rc1 allows local
27Monitor
← EarlierCVE-2007-2165Apr 22, 2007 · The Auth API in ProFTPD before 20070417, when multiple simultaneous authentication modules are configured, does not require that the module
24Monitor
← EarlierCVE-2008-4242Sep 25, 2008 · ProFTPD 1.3.1 interprets long commands from an FTP client as multiple commands, which allows remote attackers to conduct cross-site request
29Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / package	Fixed version	Source
debian:proftpd-dfsg	1.3.2-1 · Debian:12	Package registry (OSV)
opensuse:proftpd	1.3.5b-2.5 · openSUSE:Tumbleweed	Package registry (OSV)

Exploit status

Proof of concept available

A public proof of concept or detection signature exists. Exploit knowledge is out there; don't delay patching.

Evidence

Exploit-DB entry ×2

Noroxi does not host or link to exploit code. Metasploit module names and Nuclei template ids are shown (names, not code); Exploit-DB entries and PoC repositories are given as counts only.

Public exploit evidence
Source	Kind	Date
Exploit-DB entry	remote	2009-02-10
Exploit-DB entry	remote	2009-02-10

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

First PoCFeb 10, 2009-3 d
PublishedFeb 12, 2009
TodayOct 23, 2026+6462 d

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

National notice (Türkiye Cybersecurity Directorate / USOM)

Official security notices citing this record; remediation advice is on the agency's page.

TR-20-633 · Aug 24, 2020(Proftpd Sunucu Güvenlik Güncellemesi)

All national notices →

Technical details

Attack conditions

No special conditions are required; it is repeatable.

If successful

Confidentiality: P · data can be read
Integrity: P · data or configuration can be modified
Availability: P · the service can be disrupted

Attack complexity: Low
Confidentiality impact: P
Integrity impact: P
Availability impact: P

Weakness class (CWE)

CWE-89 · Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

CVSS vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

nvd-primary

Root cause

The query text is built by concatenating user input. The database cannot tell where the data ends and the command begins.

The bug in code

The whole CWE-89 class

A representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.

Vulnerable

1const owner = req.query.owner;
2const rows = await db.query(
3  "SELECT * FROM files WHERE owner = '" + owner + "'"
4);

Fixed

1const owner = req.query.owner;
2const rows = await db.query(
3  "SELECT * FROM files WHERE owner = $1",
4  [owner]
5);

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

Attack patterns (CAPEC)

ATT&CK techniques

—

Change log

Fix✗ → ✓Sep 28, 2026, 10:45 PM UTC

For records you follow, these changes also arrive as notifications. →

References

bugs.proftpd.org/show_bug.cgi?id=3180

Show all references (12 more)

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records