What is CVE-2020-35359?

CVE-2020-35359 is a high-severity vulnerability in Pureftpd Pure-Ftpd, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2020-12-26.

How severe is CVE-2020-35359?

High severity. CVSS v3 base score is 7.5 out of 10.

Resource exhaustion in Pureftpd Pure-Ftpd

CVE-2020-35359

Pure-FTPd 1.0.48 allows remote attackers to prevent legitimate server use by making enough connections to exceed the connection limit.

Published 2020-12-26 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.045 (91.4th percentile), scored 2026-10-22.

Low probability of exploitation in the next 30 days, but still tracked. 91st percentile — 91.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.045 · newest: 0.045 · change: 0.000

Affected products

Pureftpd Pure-Ftpd — versions 1.0.48

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

References

www.exploit-db.com/exploits/49105 (Exploit, VDB Entry, Third Party Advisory)

Frequently asked questions

What is CVE-2020-35359?: CVE-2020-35359 is a high-severity vulnerability in Pureftpd Pure-Ftpd, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2020-12-26.
How severe is CVE-2020-35359?: High severity. CVSS v3 base score is 7.5 out of 10.