All the vulnerabilites related to Apache Software Foundation - Apache Commons Net
cve-2021-37533
Vulnerability from cvelistv5
Published
2022-12-03 00:00
Modified
2024-08-04 01:23
Severity ?
Summary
Apache Commons Net's FTP client trusts the host from PASV response by default
Impacted products
Vendor Product Version
Show details on NVD website


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            "url": "https://lists.apache.org/thread/o6yn9r9x6s94v97264hmgol1sf48mvx7"
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            "name": "[oss-security] 20221203 CVE-2021-37533: Apache Commons Net\u0027s FTP client trusts the host from PASV response by default",
            "tags": [
              "mailing-list",
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            "url": "http://www.openwall.com/lists/oss-security/2022/12/03/1"
          },
          {
            "name": "[debian-lts-announce] 20221229 [SECURITY] [DLA 3251-1] libcommons-net-java security update",
            "tags": [
              "mailing-list",
              "x_transferred"
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            "url": "https://lists.debian.org/debian-lts-announce/2022/12/msg00038.html"
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          {
            "name": "DSA-5307",
            "tags": [
              "vendor-advisory",
              "x_transferred"
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            "url": "https://www.debian.org/security/2022/dsa-5307"
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    "cna": {
      "affected": [
        {
          "product": "Apache Commons Net",
          "vendor": "Apache Software Foundation",
          "versions": [
            {
              "lessThan": "3.9.0",
              "status": "affected",
              "version": "Apache Commons Net",
              "versionType": "custom"
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      ],
      "credits": [
        {
          "lang": "en",
          "value": "Apache Commons would like to thank ZeddYu Lu for reporting this issue."
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Prior to Apache Commons Net 3.9.0, Net\u0027s 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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              "cweId": "CWE-20",
              "description": "CWE-20 Improper Input Validation",
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        "dateUpdated": "2022-12-30T00:00:00",
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          "name": "[oss-security] 20221203 CVE-2021-37533: Apache Commons Net\u0027s FTP client trusts the host from PASV response by default",
          "tags": [
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          "url": "http://www.openwall.com/lists/oss-security/2022/12/03/1"
        },
        {
          "name": "[debian-lts-announce] 20221229 [SECURITY] [DLA 3251-1] libcommons-net-java security update",
          "tags": [
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          "url": "https://lists.debian.org/debian-lts-announce/2022/12/msg00038.html"
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          "url": "https://www.debian.org/security/2022/dsa-5307"
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      "source": {
        "defect": [
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        "discovery": "UNKNOWN"
      },
      "title": "Apache Commons Net\u0027s FTP client trusts the host from PASV response by default",
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    "datePublished": "2022-12-03T00:00:00",
    "dateReserved": "2021-07-26T00:00:00",
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