Vulnerability Details : CVE-2021-40491
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.
Products affected by CVE-2021-40491
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
- cpe:2.3:a:gnu:inetutils:*:*:*:*:*:*:*:*
Threat overview for CVE-2021-40491
Top countries where our scanners detected CVE-2021-40491
Top open port discovered on systems with this issue
21
IPs affected by CVE-2021-40491 268,887
Threat actors abusing to this issue?
Yes
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affected by CVE-2021-40491!
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Exploit prediction scoring system (EPSS) score for CVE-2021-40491
0.14%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 49 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-40491
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:N/A:N |
8.6
|
2.9
|
NIST | |
6.5
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N |
2.8
|
3.6
|
NIST |
CWE ids for CVE-2021-40491
-
The product does not sufficiently verify the origin or authenticity of data, in a way that causes it to accept invalid data.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-40491
-
https://lists.debian.org/debian-lts-announce/2022/11/msg00033.html
[SECURITY] [DLA 3205-1] inetutils security updateMailing List;Third Party Advisory
-
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=993476
#993476 - inetutils: CVE-2021-40491: tp client didn't validate that PASV/LSPV addresses match - Debian Bug report logsThird Party Advisory
-
https://lists.gnu.org/archive/html/bug-inetutils/2021-06/msg00002.html
scurity issue in inetutils ftp clientMailing List;Vendor Advisory
-
https://git.savannah.gnu.org/cgit/inetutils.git/commit/?id=58cb043b190fd04effdaea7c9403416b436e50dd
inetutils.git - GNU InetutilsPatch;Vendor Advisory
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