CVE-2021-40491
inetutils - security update
6.5
MEDIUM
CVSS 3.1
EPSS 0.34%
Description
The ftp client in GNU Inetutils before 2.2 does not validate addresses returned by PASV/LSPV responses to make sure they match the server address. This is similar to CVE-2020-8284 for curl.
How to fix CVE-2021-40491
To remediate CVE-2021-40491, upgrade the affected package to a fixed version below.
- Debian/inetutils—upgrade to 2:2.0-1+deb11u1 or later
- —upgrade to 2:1.9.4-7+deb10u2 or later
Is CVE-2021-40491 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 2:2.0-1+deb11u1
- from 0, < 2:1.9.4-7+deb10u2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N |