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CVE-2009-0542

71
FAUCET Score

CVE-2009-0542 describes a critical SQL injection vulnerability in ProFTPD Server versions 1.3.1 through 1.3.2rc2, specifically within its mod_sql module. This flaw allows unauthenticated remote attackers to execute arbitrary SQL commands by injecting a percent character into the username field, leading to a single quote insertion during variable substitution. With a CVSS score of 7.5, this vulnerability presents a high risk due to its network-based attack vector, low attack complexity, and potential for partial compromise of confidentiality, integrity, and availability. While not listed in CISA's KEV catalog, exploit code is publicly available on ExploitDB, indicating a clear path for exploitation, though community discussion and media coverage remain minimal.

Impacted Technologies

VendorProductVersion(s)CPE
1.3.1CPE matchmatch criteria
cpe:2.3:a:proftpd_project:proftpd:1.3.1:*:*:*:*:*:*:*
1.3.2CPE matchmatch criteria
cpe:2.3:a:proftpd_project:proftpd:1.3.2:*:*:*:*:*:*:*
1.3.2_rc2CPE matchmatch criteria
cpe:2.3:a:proftpd_project:proftpd:1.3.2_rc2:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.5HIGH

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

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
77.40%
Probability of exploitation in next 30 days
EPSS Percentile
99.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
ExploitDB: EDB-8037 · Feb 10, 2009
This CVE's current EPSS score of 0.7740 is in the 99th percentile among its peer group of 51,553 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

redhatCVE-2009-0542Critical

proftpd: SQL injection during login

Feb 10, 2009

References

bugs.proftpd.org / show_bug.cgi
secunia.com / advisories/34268
security.gentoo.org / glsa/glsa-200903-27.xml
exploit-db.com / exploits/8037
debian.org / security/2009/dsa-1730
mandriva.com / security/advisories
openwall.com / lists/oss-security/2009/02/11/1
openwall.com / lists/oss-security/2009/02/11/3
openwall.com / lists/oss-security/2009/02/11/5
securityfocus.com / archive/1/500823/100/0/threaded
securityfocus.com / archive/1/500833/100/0/threaded
securityfocus.com / archive/1/500851/100/0/threaded
securityfocus.com / archive/1/500852/100/0/threaded