CVE-2021-40491

moderate-risk
Published 2021-09-03

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.

Do I need to act?

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0.34% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
6
CVSS 6.5/10 Medium
NETWORK / LOW complexity

Affected Products (2)

Affected Vendors

Debian Gnu

References (8)

Third Party Advisory https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=993476
Patch https://git.savannah.gnu.org/cgit/inetutils.git/commit/?id=58cb043b190fd04effdae...
Mailing List https://lists.debian.org/debian-lts-announce/2022/11/msg00033.html
Mailing List https://lists.gnu.org/archive/html/bug-inetutils/2021-06/msg00002.html
Third Party Advisory https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=993476
Patch https://git.savannah.gnu.org/cgit/inetutils.git/commit/?id=58cb043b190fd04effdae...
Mailing List https://lists.debian.org/debian-lts-announce/2022/11/msg00033.html
Mailing List https://lists.gnu.org/archive/html/bug-inetutils/2021-06/msg00002.html
32
/ 100
moderate-risk
Severity 24/34 · High
Exploitability 1/34 · Minimal
Exposure 7/34 · Low