VULNERABILITY INTELLIGENCE

CVE-2021-40491

CVSS score6.5 MEDIUM

EPSS probability0.99%

CISA KEVNot currently listed

Published2021-09-03

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

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.

Weakness classification

nvd@nist.gov: CWE-345

Primary references

cve@mitre.org — Third Party Advisory
cve@mitre.org — Patch, Vendor Advisory
cve@mitre.org — Mailing List, Third Party Advisory
cve@mitre.org — Mailing List, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Vendor Advisory