Vulnerability-Lookup

Vulnerability from bitnami_vulndb

Published

2025-12-03 14:35

Modified

2026-09-08 08:34

Summary

Details

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.

JSON

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{
  "affected": [
    {
      "package": {
        "ecosystem": "Bitnami",
        "name": "activemq",
        "purl": "pkg:bitnami/activemq"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "5.15.12"
            }
          ],
          "type": "SEMVER"
        }
      ],
      "severity": [
        {
          "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "type": "CVSS_V3"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2020-13920"
  ],
  "database_specific": {
    "cpes": [
      "cpe:2.3:a:apache:activemq:*:*:*:*:*:*:*:*"
    ],
    "severity": "Medium"
  },
  "details": "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.",
  "id": "BIT-activemq-2020-13920",
  "modified": "2026-09-08T08:34:36.952Z",
  "published": "2025-12-03T14:35:12.171Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "http://activemq.apache.org/security-advisories.data/CVE-2020-13920-announcement.txt"
    },
    {
      "type": "WEB",
      "url": "https://lists.apache.org/thread.html/r946488fb942fd35c6a6e0359f52504a558ed438574a8f14d36d7dcd7%40%3Ccommits.activemq.apache.org%3E"
    },
    {
      "type": "WEB",
      "url": "https://lists.apache.org/thread.html/rb2fd3bf2dce042e0ab3f3c94c4767c96bb2e7e6737624d63162df36d%40%3Ccommits.activemq.apache.org%3E"
    },
    {
      "type": "ADVISORY",
      "url": "https://lists.debian.org/debian-lts-announce/2020/10/msg00013.html"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2023/11/msg00013.html"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-13920"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.oracle.com/security-alerts/cpuoct2020.html"
    }
  ],
  "schema_version": "1.6.2"
}

CVE-2020-13920 (GCVE-0-2020-13920)

Vulnerability from cvelistv5 – Published: 2020-09-10 00:00 – Updated: 2024-08-04 12:32

Summary

Severity

No CVSS data available.

CWE

Man In The Middle attack vulnerability

Assigner

apache mitre root

References

6 references

URL	Tags
http://activemq.apache.org/security-advisories.da…
https://lists.debian.org/debian-lts-announce/2020…	mailing-list
https://www.oracle.com/security-alerts/cpuoct2020.html
https://lists.apache.org/thread.html/rb2fd3bf2dce…	mailing-list
https://lists.apache.org/thread.html/r946488fb942…	mailing-list
https://lists.debian.org/debian-lts-announce/2023…	mailing-list

Impacted products

1 product

Vendor	Product	Version
n/a	Apache ActiveMQ	Affected: Apache ActiveMQ version prior to 5.15.12

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T12:32:14.288Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "http://activemq.apache.org/security-advisories.data/CVE-2020-13920-announcement.txt"
          },
          {
            "name": "[debian-lts-announce] 20201007 [SECURITY] [DLA 2400-1] activemq security update",
            "tags": [
              "mailing-list",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2020/10/msg00013.html"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://www.oracle.com/security-alerts/cpuoct2020.html"
          },
          {
            "name": "[activemq-commits] 20210127 [activemq-website] branch master updated: Publish CVE-2021-26117",
            "tags": [
              "mailing-list",
              "x_transferred"
            ],
            "url": "https://lists.apache.org/thread.html/rb2fd3bf2dce042e0ab3f3c94c4767c96bb2e7e6737624d63162df36d%40%3Ccommits.activemq.apache.org%3E"
          },
          {
            "name": "[activemq-commits] 20210208 [activemq-website] branch master updated: Publish CVE-2020-13947",
            "tags": [
              "mailing-list",
              "x_transferred"
            ],
            "url": "https://lists.apache.org/thread.html/r946488fb942fd35c6a6e0359f52504a558ed438574a8f14d36d7dcd7%40%3Ccommits.activemq.apache.org%3E"
          },
          {
            "name": "[debian-lts-announce] 20231120 [SECURITY] [DLA 3657-1] activemq security update",
            "tags": [
              "mailing-list",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2023/11/msg00013.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Apache ActiveMQ",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "Apache ActiveMQ version prior to 5.15.12"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "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."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Man In The Middle attack vulnerability",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-11-20T22:06:16.750Z",
        "orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
        "shortName": "apache"
      },
      "references": [
        {
          "url": "http://activemq.apache.org/security-advisories.data/CVE-2020-13920-announcement.txt"
        },
        {
          "name": "[debian-lts-announce] 20201007 [SECURITY] [DLA 2400-1] activemq security update",
          "tags": [
            "mailing-list"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2020/10/msg00013.html"
        },
        {
          "url": "https://www.oracle.com/security-alerts/cpuoct2020.html"
        },
        {
          "name": "[activemq-commits] 20210127 [activemq-website] branch master updated: Publish CVE-2021-26117",
          "tags": [
            "mailing-list"
          ],
          "url": "https://lists.apache.org/thread.html/rb2fd3bf2dce042e0ab3f3c94c4767c96bb2e7e6737624d63162df36d%40%3Ccommits.activemq.apache.org%3E"
        },
        {
          "name": "[activemq-commits] 20210208 [activemq-website] branch master updated: Publish CVE-2020-13947",
          "tags": [
            "mailing-list"
          ],
          "url": "https://lists.apache.org/thread.html/r946488fb942fd35c6a6e0359f52504a558ed438574a8f14d36d7dcd7%40%3Ccommits.activemq.apache.org%3E"
        },
        {
          "name": "[debian-lts-announce] 20231120 [SECURITY] [DLA 3657-1] activemq security update",
          "tags": [
            "mailing-list"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2023/11/msg00013.html"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
    "assignerShortName": "apache",
    "cveId": "CVE-2020-13920",
    "datePublished": "2020-09-10T00:00:00.000Z",
    "dateReserved": "2020-06-08T00:00:00.000Z",
    "dateUpdated": "2024-08-04T12:32:14.288Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.