CVE-2021-40491

CWE-3456 documents6 sources
Severity
6.5MEDIUM
EPSS
0.3%
top 43.33%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
GNU InetutilsDebian Debian Linux
Timeline
PublishedSep 3
Latest updateAug 8

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:NExploitability: 2.8 | Impact: 3.6

Affected Packages2 packages

▶NVDgnu/inetutils< 2.2
▶Debianinetutils< 2:2.0-1+deb11u1+3

Also affects: Debian Linux 10.0

Patches

Patch: git.savannah.gnu.org ↗Patch: git.savannah.gnu.org ↗

🔴Vulnerability Details

3
GHSA
GHSA-qw8r-vcwc-vjc9: The ftp client in GNU Inetutils before 2↗2022-05-24
▶
OSV
CVE-2021-40491: The ftp client in GNU Inetutils before 2↗2021-09-03
▶
CVEList
CVE-2021-40491: The ftp client in GNU Inetutils before 2↗2021-09-03
▶

📋Vendor Advisories

2
Ubuntu
Inetutils vulnerability↗2022-08-08
▶
Debian
CVE-2021-40491: inetutils - The ftp client in GNU Inetutils before 2.2 does not validate addresses returned ...↗2021
▶