Security advisory

{
  "id": "7161ab140f4dabfee4e75f13cd16d58df4e12bc251eefa269650362e97161059",
  "url": "https://osv.dev/vulnerability/CVE-2020-10996",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-10996",
    "summary": "An issue was discovered in Percona XtraDB Cluster before 5.7.28-31.41.2. A bundled script inadvertently sets a static transition_key for SST processes in place of the random key expected.",
    "evidence": "osv:CVE-2020-10996",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2020-10996",
      "aliases": [
        "CVE-2020-10996"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/percona/percona-xtradb-cluster",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "939b65f804c4d11372aa7b19df46a0afb29eea41"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:percona:xtradb_cluster:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "5.7.28-31.41.2"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "Percona-XtraDB-Cluster-5.7.28-31.41",
            "Percona-XtraDB-Cluster-5.7.19-29.22",
            "pxc_5.6.25-25.12-3.12",
            "Percona-XtraDB-Cluster-5.6.24-25.11",
            "Percona-XtraDB-Cluster-5.6.20-25.7",
            "Percona-XtraDB-Cluster-5.6.19-25.6",
            "Percona-XtraDB-Cluster-5.6.15-25.5",
            "Percona-XtraDB-Cluster-5.6.15-25.4",
            "Percona-XtraDB-Cluster-5.6.15-25.3",
            "Percona-XtraDB-Cluster-5.6.15-25.2",
            "Percona-XtraDB-Cluster-5.6.14-25.1",
            "pre-null-merge",
            "Percona-Server-5.6.5-60.0",
            "last-PS-5.5-as-patches"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-10996.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:48.306281733Z",
      "provider": "osv",
      "references": [
        "https://www.percona.com/blog/2020/04/20/cve-2020-10996-percona-xtradb-cluster-sst-script-static-key/",
        "https://www.percona.com/doc/percona-xtradb-cluster/LATEST/release-notes/Percona-XtraDB-Cluster-5.7.28-31.41.2.html",
        "https://jira.percona.com/browse/PXC-3117"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2020-10996",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 436736,
  "published_at": "2020-04-27T13:15:12.333+00:00"
}