Allocation of Resources Without Limits or Throttling in Pure-FTPd - CVE-2020-35359
Published: December 26, 2020 / Updated: June 21, 2025
Vulnerability identifier: #VU111719
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-35359
CWE-ID: CWE-770
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
Pure-FTPd 1.0.48 allows remote attackers to prevent legitimate server use by making enough connections to exceed the connection limit.
Affected software
Pure-FTPd
How to mitigate CVE-2020-35359
Install update from vendor's website.
Pure-FTPd - update to 1.0.49