{"id":"CVE-2021-37533","aliases":["DEBIAN-CVE-2021-37533","DLA-3251-1","DSA-5307-1","EUVD-2022-7599","GHSA-cgp8-4m63-fhh5","OESA-2023-1882","RHLW-2026-20f36034f30c7a24","RHLW-2026-71f0bc56442456d3","RHLW-2026-93c3daf552b9d6bc","RHLW-2026-94b9703160382a25","RHLW-2026-b6ad3b6e26ec332f","RHLW-2026-c7216db110a73995","RHLW-2026-ce8caf53627ada47","RHLW-2026-d10068b21671906a","RHLW-2026-e16a7a7e33d1bd95","UBUNTU-CVE-2021-37533","USN-6037-1","openSUSE-SU-2024:12549-1"],"status":"published","title":"Apache Commons Net's FTP client trusts the host from PASV response by default","description":"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.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.02172,"percentile":0.8244,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-20"],"published":"2022-12-03T00:00:00Z","modified":"2026-10-29T14:30:10Z","fixes":[{"ecosystem":"Maven","package":"commons-net:commons-net","fixed_in":["3.9.0"],"sources":["ghsa","osv"]},{"ecosystem":"Debian:12","package":"libcommons-net-java","fixed_in":["3.9.0-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"libcommons-net-java","fixed_in":["3.9.0-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"libcommons-net-java","fixed_in":["3.9.0-1"],"sources":["osv"]},{"ecosystem":"Debian:10","package":"libcommons-net-java","fixed_in":["3.6-1+deb10u1"],"sources":["osv"]},{"ecosystem":"Debian:11","package":"libcommons-net-java","fixed_in":["3.6-1+deb11u1"],"sources":["osv"]},{"ecosystem":"openEuler:20.03-LTS-SP1","package":"apache-commons-net","fixed_in":["3.6-7.oe1"],"sources":["osv"]},{"ecosystem":"openEuler:20.03-LTS-SP3","package":"apache-commons-net","fixed_in":["3.6-7.oe1"],"sources":["osv"]},{"ecosystem":"openEuler:22.03-LTS","package":"apache-commons-net","fixed_in":["3.6-7.oe2203sp2"],"sources":["osv"]},{"ecosystem":"openEuler:22.03-LTS-SP1","package":"apache-commons-net","fixed_in":["3.6-7.oe2203sp1"],"sources":["osv"]},{"ecosystem":"openEuler:22.03-LTS-SP2","package":"apache-commons-net","fixed_in":["3.6-7.oe2203sp2"],"sources":["osv"]},{"ecosystem":"Red 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software foundation","product":"apache commons net"},{"vendor":"debian","product":"debian_linux"}],"references":[{"url":"https://lists.apache.org/thread/o6yn9r9x6s94v97264hmgol1sf48mvx7","tags":["x_transferred","Issue Tracking","Mailing List","Vendor Advisory","report","web"]},{"url":"http://www.openwall.com/lists/oss-security/2022/12/03/1","tags":["mailing-list","x_transferred","Issue Tracking","Mailing List","Third Party Advisory","report","web"]},{"url":"https://lists.debian.org/debian-lts-announce/2022/12/msg00038.html","tags":["mailing-list","x_transferred","Mailing List","Third Party Advisory","advisory","web"]},{"url":"https://www.debian.org/security/2022/dsa-5307","tags":["vendor-advisory","x_transferred","Third Party Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-37533","tags":["advisory"]},{"url":"https://github.com/apache/commons-net/commit/4fe1bae56e53f32756b1ca3296f3dd2c45e3e060","tags":["web"]},{"url":"https://issues.apache.org/jira/browse/NET-711","tags":["web","report"]},{"url":"https://github.com/advisories/GHSA-cgp8-4m63-fhh5","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2021-37533","tags":["advisory"]},{"url":"https://github.com/apache/commons-net","tags":["package"]},{"url":"https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2023-1882","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2021-37533","tags":["report"]},{"url":"https://github.com/apache/commons-net/commit/b0bff89f70cfea70009e22f87639816cc3993974","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-37533","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-6037-1","tags":["advisory"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2021-37533","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2021-37533","title":"Apache Commons Net's FTP client trusts the host from PASV response by default","description":"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.","status":"published","published":"2022-12-03T00:00:00Z","modified":"2025-04-24T15:25:18.237Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium","assessor":"adp"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:32:58.359368Z"}],"euvd":[{"id":"EUVD-2022-7599","description":"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.","status":"published","published":"2022-12-03T00:00:00Z","modified":"2025-04-24T15:25:18Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T20:52:04.118749Z"}],"ghsa":[{"id":"GHSA-cgp8-4m63-fhh5","title":"Apache Commons Net vulnerable to information leakage via malicious server","description":"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.\nThe 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.\n","status":"published","published":"2022-12-03T15:30:26Z","modified":"2023-02-02T05:06:58Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:36:41.247728Z"}],"nvd":[{"id":"CVE-2021-37533","description":"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.","status":"published","published":"2022-12-03T15:15:09.747Z","modified":"2026-06-17T04:00:41.54Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:07:06.906968Z"}],"osv":[{"id":"CVE-2021-37533","description":"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.","status":"published","published":"2022-12-03T15:15:09.747Z","modified":"2026-10-24T10:30:24.246439472Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:20.434873Z"},{"id":"DEBIAN-CVE-2021-37533","description":"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.","status":"published","published":"2022-12-03T15:15:09.747Z","modified":"2026-10-23T18:03:50.699779865Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:45:35.521549Z"},{"id":"GHSA-cgp8-4m63-fhh5","title":"Apache Commons Net vulnerable to information leakage via malicious server","description":"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.\nThe 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.\n","status":"published","published":"2022-12-03T15:30:26Z","modified":"2026-09-10T03:49:47.609594222Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T15:46:44.927642Z"},{"id":"OESA-2023-1882","title":"apache-commons-net security update","description":"Apache Commons Net library contains a collection of network utilities and protocol implementations. Supported protocols include: Echo, Finger, FTP, NNTP, NTP, POP3(S), SMTP(S), Telnet, Whois\r\n\r\nSecurity Fix(es):\r\n\r\nPrior to Apache Commons Net 3.9.0, Net\u0026apos;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.(CVE-2021-37533)","status":"published","published":"2023-12-01T11:06:19Z","modified":"2026-08-18T01:18:04.427669623Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:52:40.71472Z"},{"id":"RHLW-2026-20f36034f30c7a24","title":"Lightwell Security Advisory: commons-net 3.5.0.rhlw-00001","description":"Red Hat Lightwell has released commons-net:commons-net 3.5.0.rhlw-00001 with a backported security fix.\n\nCVE-2021-37533: 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.\n\nThis patched artifact is a drop-in replacement for commons-net:commons-net 3.5.0 from Maven Central.","status":"published","published":"2026-10-08T19:45:27Z","modified":"2026-10-29T14:30:06.295222496Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:52:58.636919Z"},{"id":"RHLW-2026-71f0bc56442456d3","title":"Lightwell Security Advisory: commons-net 3.7.1.rhlw-00001","description":"Red Hat Lightwell has released commons-net:commons-net 3.7.1.rhlw-00001 with a backported security fix.\n\nCVE-2021-37533: 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.\n\nThis patched artifact is a drop-in replacement for commons-net:commons-net 3.7.1 from Maven Central.","status":"published","published":"2026-10-08T19:45:28Z","modified":"2026-10-29T14:30:05.322477165Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:52:58.636919Z"},{"id":"RHLW-2026-93c3daf552b9d6bc","title":"Lightwell Security Advisory: commons-net 2.0.0.rhlw-00001","description":"Red Hat Lightwell has released commons-net:commons-net 2.0.0.rhlw-00001 with a backported security fix.\n\nCVE-2021-37533: 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.\n\nThis patched artifact is a drop-in replacement for commons-net:commons-net 2.0.0 from Maven Central.","status":"published","published":"2026-10-08T19:45:24Z","modified":"2026-10-27T04:00:16.547749285Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:52:58.636919Z"},{"id":"RHLW-2026-94b9703160382a25","title":"Lightwell Security Advisory: commons-net 3.4.0.rhlw-00001","description":"Red Hat Lightwell has released commons-net:commons-net 3.4.0.rhlw-00001 with a backported security fix.\n\nCVE-2021-37533: 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.\n\nThis patched artifact is a drop-in replacement for commons-net:commons-net 3.4.0 from Maven Central.","status":"published","published":"2026-10-08T19:45:26Z","modified":"2026-10-29T14:30:03.568383261Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:52:58.636919Z"},{"id":"RHLW-2026-b6ad3b6e26ec332f","title":"Lightwell Security Advisory: commons-net 3.3.0.rhlw-00001","description":"Red Hat Lightwell has released commons-net:commons-net 3.3.0.rhlw-00001 with a backported security fix.\n\nCVE-2021-37533: 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.\n\nThis patched artifact is a drop-in replacement for commons-net:commons-net 3.3.0 from Maven Central.","status":"published","published":"2026-10-08T19:45:25Z","modified":"2026-10-29T14:30:10.286223875Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:52:58.636919Z"},{"id":"RHLW-2026-c7216db110a73995","title":"Lightwell Security Advisory: commons-net 3.7.2.rhlw-00001","description":"Red Hat Lightwell has released commons-net:commons-net 3.7.2.rhlw-00001 with a backported security fix.\n\nCVE-2021-37533: 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.\n\nThis patched artifact is a drop-in replacement for commons-net:commons-net 3.7.2 from Maven Central.","status":"published","published":"2026-10-08T19:45:29Z","modified":"2026-10-29T14:30:09.033229364Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:52:58.636919Z"},{"id":"RHLW-2026-ce8caf53627ada47","title":"Lightwell Security Advisory: commons-net 3.2.0.rhlw-00001","description":"Red Hat Lightwell has released commons-net:commons-net 3.2.0.rhlw-00001 with a backported security fix.\n\nCVE-2021-37533: 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.\n\nThis patched artifact is a drop-in replacement for commons-net:commons-net 3.2.0 from Maven Central.","status":"published","published":"2026-10-08T19:45:25Z","modified":"2026-10-29T14:30:09.740304815Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:52:58.636919Z"},{"id":"RHLW-2026-d10068b21671906a","title":"Lightwell Security Advisory: commons-net 3.8.0.rhlw-00001","description":"Red Hat Lightwell has released commons-net:commons-net 3.8.0.rhlw-00001 with a backported security fix.\n\nCVE-2021-37533: 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.\n\nThis patched artifact is a drop-in replacement for commons-net:commons-net 3.8.0 from Maven Central.","status":"published","published":"2026-10-08T19:45:29Z","modified":"2026-10-29T14:30:09.061952809Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:52:58.636919Z"},{"id":"RHLW-2026-e16a7a7e33d1bd95","title":"Lightwell Security Advisory: commons-net 3.6.0.rhlw-00001","description":"Red Hat Lightwell has released commons-net:commons-net 3.6.0.rhlw-00001 with a backported security fix.\n\nCVE-2021-37533: 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.\n\nThis patched artifact is a drop-in replacement for commons-net:commons-net 3.6.0 from Maven Central.","status":"published","published":"2026-10-08T19:45:27Z","modified":"2026-10-29T14:30:10.997040645Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:52:59.135214Z"},{"id":"UBUNTU-CVE-2021-37533","description":"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.","status":"published","published":"2022-12-03T15:15:00Z","modified":"2026-02-04T03:03:02.44234Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:54:28.526929Z"},{"id":"DLA-3251-1","title":"libcommons-net-java - security update","status":"published","published":"2022-12-29T00:00:00Z","modified":"2026-03-09T01:22:51.465444Z","updated_at":"2026-11-02T15:46:11.734021Z"},{"id":"DSA-5307-1","title":"libcommons-net-java - security update","status":"published","published":"2022-12-29T00:00:00Z","modified":"2026-03-09T02:10:59.462832Z","updated_at":"2026-11-02T15:46:17.543497Z"},{"id":"openSUSE-SU-2024:12549-1","title":"apache-commons-net-3.9.0-1.1 on GA media","description":"These are all security issues fixed in the apache-commons-net-3.9.0-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T04:34:13.573075Z","updated_at":"2026-11-02T16:58:35.751245Z"},{"id":"USN-6037-1","title":"Apache Commons Net vulnerability","description":"ZeddYu Lu discovered that the FTP client from Apache Commons Net trusted\nthe host from PASV responses by default. A remote attacker with a\nmalicious FTP server could redirect the client to another server, which\ncould possibly result in leaked information about services running on the\nprivate network of the client.\n","status":"published","published":"2023-04-28T10:19:40Z","modified":"2026-06-25T13:32:00.182949659Z","updated_at":"2026-11-02T16:58:16.738762Z"}]}}