Prior to Apache Commons Net 3.9.0, Net's FTP client trusts the host from PASV response by default. A malicious server can redirect the Commons Net code to use a different host, but the user has to connect to the malicious server in the first place. This may lead to leakage of information about services running on the private network of the client. The default in version 3.9.0 is now false to ignore such hosts, as cURL does. See https://issues.apache.org/jira/browse/NET-711.
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Thu, 24 Apr 2025 16:15:00 +0000
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Status: PUBLISHED
Assigner: apache
Published: 2022-12-03T00:00:00.000Z
Updated: 2025-04-24T15:25:18.237Z
Reserved: 2021-07-26T00:00:00.000Z
Link: CVE-2021-37533

Updated: 2024-08-04T01:23:01.166Z

Status : Modified
Published: 2022-12-03T15:15:09.747
Modified: 2025-04-24T16:15:18.227
Link: CVE-2021-37533
