Security advisory

{
  "id": "38ec31f4c9996996a08e38554d8f98a95aa2b139980ef025e01fe73894a01d77",
  "url": "https://osv.dev/vulnerability/CVE-2020-8570",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-8570",
    "summary": "Kubernetes Java client libraries in version 10.0.0 and versions prior to 9.0.1 allow writes to paths outside of the current directory when copying multiple files from a remote pod which sends a maliciously crafted archive. This can potentially overwrite any files on the system of the process executing the client code.",
    "evidence": "osv:CVE-2020-8570",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2020-8570",
      "aliases": [
        "CVE-2020-8570",
        "GHSA-cghx-9gcr-r42x"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/kubernetes-client/java",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "6267ff3cb7ad12984bd1a9aec96ee3b075da460b"
                },
                {
                  "introduced": "f68f17720e153bf5ddca6e63df70477c776e765f"
                },
                {
                  "fixed": "6267ff3cb7ad12984bd1a9aec96ee3b075da460b"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:kubernetes:java:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "9.0.2"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:kubernetes:java:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "10.0.0"
                      },
                      {
                        "fixed": "10.0.1"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "client-java-parent-8.0.1",
            "client-java-parent-6.0.1",
            "client-java-parent-2.0.0",
            "client-java-parent-2.0.0-beta2",
            "client-java-parent-1.0.0-beta3",
            "client-java-parent-1.0.0-beta2"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-8570.json"
          }
        }
      ],
      "modified": "2026-10-20T10:54:38.223164526Z",
      "provider": "osv",
      "references": [
        "https://lists.apache.org/thread.html/r0c76b3d0be348f788cd947054141de0229af00c540564711e828fd40%40%3Ccommits.druid.apache.org%3E",
        "https://lists.apache.org/thread.html/r1975078e44d96f2a199aa90aa874b57a202eaf7f25f2fde6d1c44942%40%3Ccommits.druid.apache.org%3E",
        "https://lists.apache.org/thread.html/rcafa485d63550657f068775801aeb706b7a07140a8ebbdef822b3bb3%40%3Ccommits.druid.apache.org%3E",
        "https://lists.apache.org/thread.html/rdb223e1b82e3d7d8e4eaddce8dd1ab87252e3935cc41c859f49767b6%40%3Ccommits.druid.apache.org%3E",
        "https://groups.google.com/g/kubernetes-security-announce/c/sd5h73sFPrg",
        "https://github.com/kubernetes-client/java/issues/1491"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2020-8570",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 385784,
  "published_at": "2021-01-21T17:15:14.327+00:00"
}