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CVE-2009-5012

15
FAUCET Score

CVE-2009-5012 describes an access restriction bypass vulnerability in pyftpdlib versions prior to 0.5.2. Authenticated attackers can exploit this flaw by using the MLST command to list the root directory, even without the necessary 'l' permission. This vulnerability has a CVSS score of 4.0, indicating a low severity, and allows for partial confidentiality impact with low attack complexity. There is no known active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 0.5.1CPE matchmatch criteria
cpe:2.3:a:g.rodola:pyftpdlib:*:*:*:*:*:*:*:*
0.1CPE matchmatch criteria
cpe:2.3:a:g.rodola:pyftpdlib:0.1:*:*:*:*:*:*:*
0.1.1CPE matchmatch criteria
cpe:2.3:a:g.rodola:pyftpdlib:0.1.1:*:*:*:*:*:*:*
0.2.0CPE matchmatch criteria
cpe:2.3:a:g.rodola:pyftpdlib:0.2.0:*:*:*:*:*:*:*
0.3.0CPE matchmatch criteria
cpe:2.3:a:g.rodola:pyftpdlib:0.3.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.0MEDIUM

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

Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
SINGLE
Exploitability Score
8.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.03%
Probability of exploitation in next 30 days
EPSS Percentile
60.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0103 is in the 73rd percentile among its peer group of 21,977 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

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

Remediation

Patch Available

Vendor Patches (1)

pippatch availablevia ghsa
Product: pyftpdlibFixed in: 0.5.2

Vendor Advisories (1)

pipGHSA-h4g7-8m7r-87r9high

Improper Access Control in pyftpdlib

May 2, 2022

References

code.google.com / p/pyftpdlib/issues/detail
code.google.com / p/pyftpdlib/source/browse/trunk/HISTORY
code.google.com / p/pyftpdlib/source/detail
code.google.com / p/pyftpdlib/source/diff