CVE-2021-47865
HIGHCVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Lifecycle Timeline
4Tags
Description
ProFTPD 1.3.7a contains a denial of service vulnerability that allows attackers to overwhelm the server by creating multiple simultaneous FTP connections. Attackers can repeatedly establish connections using threading to exhaust server connection limits and block legitimate user access.
Analysis
ProFTPD 1.3.7a contains a denial of service vulnerability that allows attackers to overwhelm the server by creating multiple simultaneous FTP connections. Attackers can repeatedly establish connections using threading to exhaust server connection limits and block legitimate user access. [CVSS 7.5 HIGH]
Technical Context
This vulnerability (CWE-770: Allocation of Resources Without Limits or Throttling) ProFTPD 1.3.7a contains a denial of service vulnerability that allows attackers to overwhelm the server by creating multiple simultaneous FTP connections. Attackers can repeatedly establish connections using threading to exhaust server connection limits and block legitimate user access.
Affected Products
ProFTPD 1.3.7a contains a denial of service vulnerability that
Remediation
Monitor vendor advisories for a patch. Restrict network access to the affected service where possible.
Priority Score
Vendor Status
Share
External POC / Exploit Code
Leaving vuln.today