gsd-2021-29921
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
In Python before 3,9,5, the ipaddress library mishandles leading zero characters in the octets of an IP address string. This (in some situations) allows attackers to bypass access control that is based on IP addresses.
Aliases
Aliases
CVE-2021-29921


To clipboard 

{
  "GSD": {
    "alias": "CVE-2021-29921",
    "description": "In Python before 3,9,5, the ipaddress library mishandles leading zero characters in the octets of an IP address string. This (in some situations) allows attackers to bypass access control that is based on IP addresses.",
    "id": "GSD-2021-29921",
    "references": [
      "https://www.suse.com/security/cve/CVE-2021-29921.html",
      "https://access.redhat.com/errata/RHSA-2021:4162",
      "https://access.redhat.com/errata/RHSA-2021:4160",
      "https://access.redhat.com/errata/RHSA-2021:3254",
      "https://ubuntu.com/security/CVE-2021-29921",
      "https://advisories.mageia.org/CVE-2021-29921.html",
      "https://security.archlinux.org/CVE-2021-29921",
      "https://linux.oracle.com/cve/CVE-2021-29921.html"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-29921"
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      "details": "In Python before 3,9,5, the ipaddress library mishandles leading zero characters in the octets of an IP address string. This (in some situations) allows attackers to bypass access control that is based on IP addresses.",
      "id": "GSD-2021-29921",
      "modified": "2023-12-13T01:23:36.267610Z",
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    }
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          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 7.5,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
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          "impactScore": 6.4,
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          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
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          "userInteractionRequired": false
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            "availabilityImpact": "HIGH",
            "baseScore": 9.8,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 5.9
        }
      },
      "lastModifiedDate": "2023-05-03T11:15Z",
      "publishedDate": "2021-05-06T13:15Z"
    }
  }
}


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