CVE-2011-4130

CVE-2011-4130 is a critical-severity vulnerability in Proftpd with a CVSS 2.0 base score of 9.0. Its EPSS exploit-prediction score of 13% places it in the 96th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-399.

Key facts

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.

Frequently asked questions

What is CVE-2011-4130?
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.
How severe is CVE-2011-4130?
CVE-2011-4130 has a CVSS 2.0 base score of 9.0, rated critical severity.
Is CVE-2011-4130 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 13% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-4130?
CVE-2011-4130 primarily affects Proftpd. In total, 62 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-4130?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2011-4130 published?
CVE-2011-4130 was published on 2011-12-06 and last updated on 2026-06-16.

References

Affected products (62)

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