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CVE-2011-4130

35
FAUCET Score

CVE-2011-4130 is a use-after-free vulnerability in the Response API of ProFTPD versions prior to 1.3.3g, allowing remote authenticated users to execute arbitrary code. This critical vulnerability has a CVSS score of 9.0, indicating a network-based attack with low complexity that can lead to complete compromise of confidentiality, integrity, and availability. Despite its severity, there is no evidence of active exploitation, publicly available exploit code, or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.3.3CPE matchmatch criteria
cpe:2.3:a:proftpd:proftpd:*:f:*:*:*:*:*:*
1.2.0CPE matchmatch criteria
cpe:2.3:a:proftpd:proftpd:1.2.0:*:*:*:*:*:*:*
1.2.0CPE matchmatch criteria
cpe:2.3:a:proftpd:proftpd:1.2.0:pre10:*:*:*:*:*:*
1.2.0CPE matchmatch criteria
cpe:2.3:a:proftpd:proftpd:1.2.0:pre9:*:*:*:*:*:*
1.2.0CPE matchmatch criteria
cpe:2.3:a:proftpd:proftpd:1.2.0:rc1:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

9.0HIGH

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

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
SINGLE
Exploitability Score
8.0
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
12.63%
Probability of exploitation in next 30 days
EPSS Percentile
95.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.1263 is in the 95th percentile among its peer group of 17,822 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 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

Remediation records are not available for this CVE.

References

bugs.proftpd.org / show_bug.cgi
ExploitPatch
proftpd.org / docs/NEWS-1.3.3g
securityfocus.com / bid/50631
zerodayinitiative.com / advisories/ZDI-11-328