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high·Network Vulnerabilities·Updated Oct 7, 2025

vsftpd < 3.0.3 - DoS

Est. Time~10 seconds
Scan TypeSingle Scan
Targetsdomain, subdomain, ipv4
CostFree
3.1k
Times Used
continuous scan runs
0
Continuously Checked
assets under CS
0
Vulnerabilities Found
confirmed findings
References
CVECVE-2021-30047
7.5
CVSS

VSFTPD 3.0.3 allows attackers to cause a denial of service due to limited number of connections allowed.

Attack Vector
-
Privileges Req.
-
User Interaction
-
Affected
n/aby n/a
n/a
Updated Sep 9, 2026View on NVD →

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vsftpd < 3.0.3 - DoS CVE-2021-30047 Scanner | S4E