Medium severity6.5NVD Advisory· Published Sep 3, 2021· Updated Jun 17, 2026

CVE-2021-40491

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

GNU/Inetutils2 versions
cpe:2.3:a:gnu:inetutils:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:gnu:inetutils:*:*:*:*:*:*:*:*range: <2.2
- (no CPE)range: <2.2
Debian/linux
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
GNU/Inetutilsdescription

Patches

Vulnerability mechanics

References

git.savannah.gnu.org/cgit/inetutils.git/commit/nvdPatchVendor Advisory
bugs.debian.org/cgi-bin/bugreport.cginvdThird Party Advisory
lists.debian.org/debian-lts-announce/2022/11/msg00033.htmlnvdMailing ListThird Party Advisory
lists.gnu.org/archive/html/bug-inetutils/2021-06/msg00002.htmlnvdMailing ListVendor Advisory

News mentions

No linked articles in our index yet.

cvss	0.423
epss	0.001
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000