Home/CVE/Apache ActiveMQ uses LocateRegistry.createRegistry() to create the JMX RMI registry and binds the server to the "jmxrmi"
CVE

CVE-2020-13920

Apache ActiveMQ uses LocateRegistry.createRegistry() to create the JMX RMI registry and binds the server to the "jmxrmi"

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.

MEDIUM · CVSS 5.9 EPSS 0.00189
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-306Missing Authentication for Critical Function
▤

Affected Products & Versions

4
apache activemq< 5.15.12
oracle communications diameter signaling router>= 8.0.0 and <= 8.2.2
oracle flexcube private bankingall versions
debian linuxall versions
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
Maven org.apache.activemq:activemq-parent MODERATE fixed in 5.15.12
▣

Scoring & Timeline

5.9
MEDIUM · CVSS v3.1 · security@apache.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD10 Sep 2020 · 07:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
⚑

Vendor Advisories

4
usnUSN-6910-1
rhsaRHSA-2021:3205Moderate
rhsaRHSA-2021:3140Moderate
rhsaRHSA-2021:3207Important
🔗

References & Sources

6
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://activemq.apache.org/security-advisories.data/CVE-2020-13920-announcement.txtVendor Advisory
https://lists.apache.org/thread.html/r946488fb942fd35c6a6e0359f52504a558ed438574a8f14d36d7dcd7%40%3Ccommits.activemq.apache.org%3E
https://lists.apache.org/thread.html/rb2fd3bf2dce042e0ab3f3c94c4767c96bb2e7e6737624d63162df36d%40%3Ccommits.activemq.apache.org%3E
https://lists.debian.org/debian-lts-announce/2020/10/msg00013.htmlMailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2023/11/msg00013.html
https://www.oracle.com/security-alerts/cpuoct2020.htmlThird Party Advisory
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