CVE-2021-40491
"GNU Inetutils FTP Client Address Validation weakness"
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.
INFO
Published Date :
Sept. 3, 2021, 2:15 a.m.
Last Modified :
Nov. 21, 2024, 6:24 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
2.8
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2021-40491.
| URL | Resource |
|---|---|
| https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=993476 | Third Party Advisory |
| https://git.savannah.gnu.org/cgit/inetutils.git/commit/?id=58cb043b190fd04effdaea7c9403416b436e50dd | Patch Vendor Advisory |
| https://lists.debian.org/debian-lts-announce/2022/11/msg00033.html | Mailing List Third Party Advisory |
| https://lists.gnu.org/archive/html/bug-inetutils/2021-06/msg00002.html | Mailing List Vendor Advisory |
| https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=993476 | Third Party Advisory |
| https://git.savannah.gnu.org/cgit/inetutils.git/commit/?id=58cb043b190fd04effdaea7c9403416b436e50dd | Patch Vendor Advisory |
| https://lists.debian.org/debian-lts-announce/2022/11/msg00033.html | Mailing List Third Party Advisory |
| https://lists.gnu.org/archive/html/bug-inetutils/2021-06/msg00002.html | Mailing List Vendor Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-40491 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-40491 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=993476 Added Reference https://git.savannah.gnu.org/cgit/inetutils.git/commit/?id=58cb043b190fd04effdaea7c9403416b436e50dd Added Reference https://lists.debian.org/debian-lts-announce/2022/11/msg00033.html Added Reference https://lists.gnu.org/archive/html/bug-inetutils/2021-06/msg00002.html -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Modified Analysis by [email protected]
Feb. 03, 2023
Action Type Old Value New Value Changed Reference Type https://lists.debian.org/debian-lts-announce/2022/11/msg00033.html No Types Assigned https://lists.debian.org/debian-lts-announce/2022/11/msg00033.html Mailing List, Third Party Advisory Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Nov. 25, 2022
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2022/11/msg00033.html [No Types Assigned] -
Initial Analysis by [email protected]
Sep. 10, 2021
Action Type Old Value New Value Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:P/I:N/A:N) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N Changed Reference Type https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=993476 No Types Assigned https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=993476 Third Party Advisory Changed Reference Type https://git.savannah.gnu.org/cgit/inetutils.git/commit/?id=58cb043b190fd04effdaea7c9403416b436e50dd No Types Assigned https://git.savannah.gnu.org/cgit/inetutils.git/commit/?id=58cb043b190fd04effdaea7c9403416b436e50dd Patch, Vendor Advisory Changed Reference Type https://lists.gnu.org/archive/html/bug-inetutils/2021-06/msg00002.html No Types Assigned https://lists.gnu.org/archive/html/bug-inetutils/2021-06/msg00002.html Mailing List, Vendor Advisory Added CWE NIST CWE-345 Added CPE Configuration OR *cpe:2.3:a:gnu:inetutils:*:*:*:*:*:*:*:* versions up to (excluding) 2.2
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-40491 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2021-40491
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.14 }} -0.14%
score
0.49472
percentile