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VULNERABILITIES

CVE-2021-40491 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:6.5 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=993476 CVEThird Party Advisory
https://git.savannah.gnu.org/cgit/inetutils.git/commit/?id=58cb043b190fd04effdaea7c9403416b436e50dd CVEPatchVendor Advisory
https://lists.debian.org/debian-lts-announce/2022/11/msg00033.html CVEMailing ListThird Party Advisory
https://lists.gnu.org/archive/html/bug-inetutils/2021-06/msg00002.html CVEMailing ListVendor Advisory
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=993476 [email protected]Third Party Advisory

see all 8 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-345Insufficient Verification of Data Authenticity[email protected]

Affected Products

ProductVersions
gnu inetutils
< 2.2

CPE

  • cpe:2.3:a:gnu:inetutils:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
debian debian linux
10.0

CPE

  • cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

6 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2021-40491
NVD Published Date:
Sep 3, 2021
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2021-40491 Details - Not Deferred