vulnerability
Amazon Linux AMI: CVE-2021-4189: Security patch for python27 (ALAS-2022-1593)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:N/AC:L/Au:N/C:P/I:N/A:N) | Mar 16, 2022 | Jun 10, 2022 | May 21, 2025 |
Severity
5
CVSS
(AV:N/AC:L/Au:N/C:P/I:N/A:N)
Published
Mar 16, 2022
Added
Jun 10, 2022
Modified
May 21, 2025
Description
A flaw was found in Python, specifically in the FTP (File Transfer Protocol) client library in PASV (passive) mode. The issue is how the FTP client trusts the host from the PASV response by default. This flaw allows an attacker to set up a malicious FTP server that can trick FTP clients into connecting back to a given IP address and port. This vulnerability could lead to FTP client scanning ports, which otherwise would not have been possible.
Solution
amazon-linux-upgrade-python27
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