Security advisory

{
  "id": "77b3d66b7d4be2710323e1a7a85da14db5dbc85423da1e0ddd56dac9426a5430",
  "url": "https://osv.dev/vulnerability/CVE-2020-29436",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-29436",
    "summary": "Sonatype Nexus Repository Manager 3.x before 3.29.0 allows a user with admin privileges to configure the system to gain access to content outside of NXRM via an XXE vulnerability. Fixed in version 3.29.0.",
    "evidence": "osv:CVE-2020-29436",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2020-29436",
      "aliases": [
        "CVE-2020-29436"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/sonatype/nexus-public",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "10bb9a4931b9edd28932accd058d1e41c45227cd"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:sonatype:nexus_repository_manager:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "3.0.0"
                      },
                      {
                        "fixed": "3.29.0"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "release-3.28.1-01",
            "release-3.28.0-01",
            "release-3.27.0-03",
            "release-3.26.1-02",
            "release-3.26.0-04",
            "release-3.25.1-02",
            "release-3.25.0-03",
            "release-3.24.0-02",
            "release-3.23.0-03",
            "release-3.22.1-02",
            "release-3.22.0-02",
            "release-3.21.0-05",
            "release-3.20.1-01",
            "release-3.20.0-04",
            "release-3.5.0-02",
            "release-3.4.0-02",
            "release-3.3.0-01"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-29436.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:21.230144906Z",
      "provider": "osv",
      "references": [
        "https://support.sonatype.com/hc/en-us/articles/1500000415082-CVE-2020-29436-Nexus-Repository-Manager-3-XML-External-Entities-injection-2020-12-15"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2020-29436",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 430448,
  "published_at": "2020-12-17T02:15:12.647+00:00"
}