Security advisory

{
  "id": "94ae4bdc58ca31d1e2bcfb3098c9806982deca4fae3533a71300b8082a4c609b",
  "url": "https://osv.dev/vulnerability/CVE-2020-13942",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-13942",
    "summary": "It is possible to inject malicious OGNL or MVEL scripts into the /context.json public endpoint. This was partially fixed in 1.5.1 but a new attack vector was found. In Apache Unomi version 1.5.2 scripts are now completely filtered from the input. It is highly recommended to upgrade to the latest available version of the 1.5.x release to fix this problem.",
    "evidence": "osv:CVE-2020-13942",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2020-13942",
      "aliases": [
        "CVE-2020-13942",
        "GHSA-xp5j-wj4h-2jq9"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/apache/unomi",
              "type": "GIT",
              "events": [
                {
                  "introduced": "206b646eb5cfa1e341ca7170705721de9b5b9716"
                },
                {
                  "fixed": "3a812b9b6a35c558f5a5417163e774f10094bdd9"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:apache:unomi:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "1.5.0"
                      },
                      {
                        "fixed": "1.5.2"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "unomi-root-1.5.1",
            "unomi-root-1.5.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-13942.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:50.427014210Z",
      "provider": "osv",
      "references": [
        "https://lists.apache.org/thread.html/r08a4057ff7196b8880117edaa4b6207cbd36ed692d8dd1f5a56b4d0f%40%3Cannounce.apache.org%3E",
        "https://lists.apache.org/thread.html/r4a8fa91836687eaca42b5420a778ca8c8fd3a3740e4cf4401acc9118%40%3Cdev.unomi.apache.org%3E",
        "https://lists.apache.org/thread.html/r4a8fa91836687eaca42b5420a778ca8c8fd3a3740e4cf4401acc9118%40%3Cusers.unomi.apache.org%3E",
        "https://lists.apache.org/thread.html/r79672c25e0ef9bb4b9148376281200a8e61c6d5ef5bb705e9a363460%40%3Ccommits.unomi.apache.org%3E",
        "https://lists.apache.org/thread.html/rcb6d2eafcf15def433aaddfa06738e5faa5060cef2647769e178999a%40%3Cdev.unomi.apache.org%3E",
        "https://lists.apache.org/thread.html/rcb6d2eafcf15def433aaddfa06738e5faa5060cef2647769e178999a%40%3Cusers.unomi.apache.org%3E",
        "https://advisory.checkmarx.net/advisory/CX-2020-4284"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2020-13942",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 437243,
  "published_at": "2020-11-24T18:15:11.91+00:00"
}