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activemq — security advisory

Type: advisorySources: OSVAdvisory ID: DEBIAN-CVE-2020-13920

Apache ActiveMQ uses LocateRegistry.createRegistry() to create the JMX RMI registry and binds the server to the "jmxrmi" entry. It is possible to connect to the registry without authentication and call the rebind method to rebind jmxrmi to something else. If an attacker creates another server to proxy the original, and bound that, he effectively becomes a man in the middle and is able to intercept the credentials when an user connects. Upgrade to Apache ActiveMQ 5.15.12.

Products
activemq
Affected versions
Not specified
Fixed versions
5.16.0-1
CVEs
CVE-2020-13920
Confirmed fixed CVEs
Not specified
Updated in this feed
1 Nov 2026, 12:35 UTC · Revision 1

Source evidence

DEBIAN-CVE-2020-13920

core-osv · Original source

Published 10 Sept 2020, 19:15 UTC

Apache ActiveMQ uses LocateRegistry.createRegistry() to create the JMX RMI registry and binds the server to the "jmxrmi" entry. It is possible to connect to the registry without authentication and call the rebind method to rebind jmxrmi to something else. If an attacker creates another server to proxy the original, and bound that, he effectively becomes a man in the middle and is able to intercept the credentials when an user connects. Upgrade to Apache ActiveMQ 5.15.12.

osv:DEBIAN-CVE-2020-13920

activemq

Fixed versions: 5.16.0-1

activemq

Fixed versions: 5.16.0-1

Complete source record
{
  "id": "5ca6efd0e949d53a0cd9baa7dca8568ac68b05058145fc4751549c4993d59892",
  "url": "https://osv.dev/vulnerability/DEBIAN-CVE-2020-13920",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "DEBIAN-CVE-2020-13920",
    "summary": "Apache ActiveMQ uses LocateRegistry.createRegistry() to create the JMX RMI registry and binds the server to the \"jmxrmi\" entry. It is possible to connect to the registry without authentication and call the rebind method to rebind jmxrmi to something else. If an attacker creates another server to proxy the original, and bound that, he effectively becomes a man in the middle and is able to intercept the credentials when an user connects. Upgrade to Apache ActiveMQ 5.15.12.",
    "evidence": "osv:DEBIAN-CVE-2020-13920",
    "products": [
      {
        "name": {
          "value": "activemq",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "5.16.0-1",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "activemq",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "5.16.0-1",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "medium",
    "structured": {
      "id": "DEBIAN-CVE-2020-13920",
      "aliases": [
        "DEBIAN-CVE-2020-13920"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "5.16.0-1"
                }
              ]
            }
          ],
          "package": {
            "name": "activemq",
            "purl": "pkg:deb/debian/activemq?arch=source&distro=bookworm",
            "ecosystem": "Debian:12"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2020-13920.json"
          },
          "ecosystem_specific": {
            "urgency": "not yet assigned"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "5.16.0-1"
                }
              ]
            }
          ],
          "package": {
            "name": "activemq",
            "purl": "pkg:deb/debian/activemq?arch=source&distro=trixie",
            "ecosystem": "Debian:13"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2020-13920.json"
          },
          "ecosystem_specific": {
            "urgency": "not yet assigned"
          }
        }
      ],
      "modified": "2026-10-26T12:00:35.345704908Z",
      "provider": "osv",
      "upstream": [
        "CVE-2020-13920"
      ],
      "references": [
        "https://security-tracker.debian.org/tracker/CVE-2020-13920"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2020-13920",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 451224,
  "published_at": "2020-09-10T19:15:13.16+00:00"
}