Vulnerability · Published Dec 26, 2020 · Assigned by mitre
CVE-2020-35359
High 7.5
In plain English
A high-severity security flaw in the pure-ftpd package (Ubuntu). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 4.5% (higher than 91% of all known vulnerabilities). Ready-made attack tooling exists: Nuclei.
Severity (CVSS NVD)7.5High
Exploit odds (30 days)4.5%top 8.5% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack tooling1Nuclei
Official description
Pure-FTPd 1.0.48 allows remote attackers to prevent legitimate server use by making enough connections to exceed the connection limit.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu:22.04:LTS | pure-ftpd | no fix listed | UBUNTU-CVE-2020-35359 |
| Ubuntu:24.04:LTS | pure-ftpd | no fix listed | UBUNTU-CVE-2020-35359 |
| Ubuntu:25.10 | pure-ftpd | no fix listed | UBUNTU-CVE-2020-35359 |
| Ubuntu:26.04:LTS | pure-ftpd | no fix listed | UBUNTU-CVE-2020-35359 |
Affected products (as reported)
References
- https://www.exploit-db.com/exploits/49105 x_refsource_MISC