{
  "id": "CVE-2020-36193",
  "url": "https://spydr.io/cve/CVE-2020-36193",
  "published": "2021-01-18T20:15:12.667Z",
  "modified": "2026-06-17T03:14:58.533Z",
  "score": 7.5,
  "severity": "high",
  "cvss_version": "3.1",
  "vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
  "score_source": "NVD",
  "epss": 0.70595,
  "epss_percentile": 0.99379,
  "exploited": true,
  "kev": {
    "added": "2022-08-25",
    "due": "2022-09-15",
    "action": "Apply updates per vendor instructions.",
    "ransomware": "Unknown",
    "name": "PEAR Archive_Tar Improper Link Resolution Vulnerability",
    "notes": "https://github.com/pear/Archive_Tar/commit/cde460582ff389404b5b3ccb59374e9b389de916, https://www.drupal.org/sa-core-2021-001, https://access.redhat.com/security/cve/cve-2020-36193; https://nvd.nist.gov/vuln/detail/CVE-2020-36193"
  },
  "ssvc_exploitation": "active",
  "vendors": [
    "php",
    "fedoraproject",
    "debian",
    "drupal"
  ],
  "products": [
    "php archive tar",
    "fedoraproject fedora",
    "debian linux",
    "drupal"
  ],
  "cwes": [
    "CWE-22",
    "CWE-59"
  ],
  "description": "Tar.php in Archive_Tar through 1.4.11 allows write operations with Directory Traversal due to inadequate checking of symbolic links, a related issue to CVE-2020-28948.",
  "status": "Analyzed",
  "score_type": "Primary",
  "scores": {
    "cvss_v40": null,
    "cvss_v31": 7.5,
    "cvss_v30": null
  },
  "references": [
    {
      "url": "https://github.com/pear/Archive_Tar/commit/cde460582ff389404b5b3ccb59374e9b389de916",
      "tags": [
        "Patch"
      ]
    },
    {
      "url": "https://lists.debian.org/debian-lts-announce/2021/01/msg00018.html",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://lists.debian.org/debian-lts-announce/2021/04/msg00007.html",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/42GPGVVFTLJYAKRI75IVB5R45NYQGEUR/",
      "tags": [
        "Broken Link"
      ]
    },
    {
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FOZNK4FIIV7FSFCJNNFWMJZTTV7NFJV2/",
      "tags": [
        "Broken Link"
      ]
    },
    {
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VJQQYDAOWHD6RDITDRPHFW7WY6BS3V5N/",
      "tags": [
        "Broken Link"
      ]
    },
    {
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YKD5WEFA4WT6AVTMRAYBNXZNLWZHM7FH/",
      "tags": [
        "Broken Link"
      ]
    },
    {
      "url": "https://security.gentoo.org/glsa/202101-23",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://www.debian.org/security/2021/dsa-4894",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://www.drupal.org/sa-core-2021-001",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-36193",
      "tags": [
        "US Government Resource"
      ]
    }
  ],
  "nvd_url": "https://nvd.nist.gov/vuln/detail/CVE-2020-36193",
  "covered_in": [],
  "attribution": [
    {
      "source": "NVD",
      "url": "https://nvd.nist.gov",
      "notice": "This product uses data from the NVD API but is not endorsed or certified by the NVD."
    },
    {
      "source": "CISA KEV",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "notice": "Known exploited vulnerabilities from the CISA KEV catalog."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss",
      "notice": "Exploit prediction scores from FIRST EPSS."
    }
  ]
}