CRITICAL
CVE-2011-4130
CWE-399Published: December 6, 2011· Updated: Jun 16, 2026
9.0
CVSS v3.1
Official Description
Use-after-free vulnerability in the Response API in ProFTPD before 1.3.3g allows remote authenticated users to execute arbitrary code via vectors involving an error that occurs after an FTP data transfer.
Technical Analysis
CVE-2011-4130 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.
User Interaction
Scope
Impact
ConfidentialityC
IntegrityC
AvailabilityC
AV:N/AC:L/Au:S/C:C/I:C/A:C
Affected Vendors & Products
proftpd1 product(s)
proftpd
Source: NVD CPE · 16 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
Official Patches & Advisories
All References (8)
→
http://bugs.proftpd.org/show_bug.cgi?id=3711Exploit · Patch
→
http://bugs.proftpd.org/show_bug.cgi?id=3711Exploit · Patch
Quick Facts
CVE IDCVE-2011-4130
CVSS Score9.0 / 10
SeverityCRITICAL
WeaknessCWE-399
CISA KEVNo
Affected1 vendor(s)
PublishedDec 6, 2011
Related CVEs (CWE-399)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2011-4130 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.