Vsftpd is a widely deployed lightweight FTP server that appears in many Unix and Linux environments, despite its narrow product scope. The vendor's disclosed vulnerabilities center on the FTP daemon itself and cluster around input validation, OS command injection, certificate validation, and resource-consumption issues characteristic of a network-facing protocol handler. Current exploitation activity and exposure counts are shown alongside this summary.
The number and severity of CVEs published that impact products developed by Vsftpd Project over time
Signals from CVEs in this vendor scope (5 CVEs).
5 CVEs · Highest risk first
| CVE | Published | CVSS | Risk | KEV | Exploit |
|---|---|---|---|---|---|
CVE-2011-2523CRITICAL vsftpd 2.3.4 downloaded between 20110630 and 20110703 contains a backdoor which opens a shell on port 6200/tcp. | Nov 27, 2019 | 9.8 | 94 | NO | YES |
CVE-2011-0762MEDIUM The vsf_filename_passes_filter function in ls.c in vsftpd before 2.3.3 allows remote authenticated users to cause a denial of service (CPU consumption and process slot exhaustion) | Mar 2, 2011 | 4.0 | 81 | NO | YES |
CVE-2021-30047HIGH VSFTPD 3.0.3 allows attackers to cause a denial of service due to limited number of connections allowed. | Aug 22, 2023 | 7.5 | 30 | NO | YES |
CVE-2015-1419MEDIUM Unspecified vulnerability in vsftpd 3.0.2 and earlier allows remote attackers to bypass access restrictions via unknown vectors, related to deny_file parsing. | Jan 28, 2015 | 5.0 | 26 | NO | YES |
CVE-2021-3618HIGH ALPACA is an application layer protocol content confusion attack, exploiting TLS servers implementing different protocols but using compatible certificates, such as multi-domain or | Mar 23, 2022 | 7.4 | 23 | NO | NO |
Signals from CVEs in this vendor scope (5 CVEs).
An overview of all social media posts that mention a CVE ID that affects a product developed by Vsftpd Project.
Media articles that mention a CVE ID that affects a product developed by Vsftpd Project — matched by CVE ID, not by vendor name.