Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2020-11998

51
FAUCET Score

CVE-2020-11998 is a critical regression in Apache ActiveMQ versions prior to 5.15.13, which inadvertently re-enabled a JMX re-bind vulnerability. This flaw allows an unauthenticated remote attacker to execute arbitrary code by creating a malicious MLet MBean, impacting Apache ActiveMQ and Oracle Java environments. With a CVSS score of 9.8 (Critical), it presents a low-complexity network attack with high impact on confidentiality, integrity, and availability. While no active exploitation, public exploit code, or significant community discussion has been observed, the FAUCET Risk Score of 86/100 indicates a high potential risk.

Impacted Technologies

VendorProductVersion(s)CPE
5.15.12CPE matchmatch criteria
cpe:2.3:a:apache:activemq:5.15.12:*:*:*:*:*:*:*
>= 8.0.0, <= 8.5.0CPE matchmatch criteria
cpe:2.3:a:oracle:communications_diameter_signaling_router:*:*:*:*:*:*:*:*
>= 8.2.0, <= 8.2.4.0CPE matchmatch criteria
cpe:2.3:a:oracle:communications_element_manager:*:*:*:*:*:*:*:*
>= 8.0.0, <= 8.2.2CPE matchmatch criteria
cpe:2.3:a:oracle:communications_session_report_manager:*:*:*:*:*:*:*:*
>= 8.0.0, <= 8.2.2CPE matchmatch criteria
cpe:2.3:a:oracle:communications_session_route_manager:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
51.23%
Probability of exploitation in next 30 days
EPSS Percentile
98.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.5122 is in the 97th percentile among its peer group of 36,897 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

mavenpatch availablevia ghsa
Product: org.apache.activemq:activemq-parentFixed in: 5.15.13
oraclepatch availablevia nvd_reference
View patch

Vendor Advisories (1)

mavenGHSA-wqfh-9m4g-7x6xcritical

Remote code execution in Apache ActiveMQ

Feb 9, 2022

References

activemq.apache.org / security-advisories.data/CVE-2020-11998-announcement.txt
Vendor Advisory
lists.apache.org / thread.html/r946488fb942fd35c6a6e0359f52504a558ed438574a8f14d36d7dcd7%40%3Ccommits.activemq.apache.org%3E
lists.apache.org / thread.html/rb2fd3bf2dce042e0ab3f3c94c4767c96bb2e7e6737624d63162df36d%40%3Ccommits.activemq.apache.org%3E
oracle.com / security-alerts/cpuApr2021.html
PatchThird Party Advisory
oracle.com / security-alerts/cpujan2021.html
Third Party Advisory
oracle.com / /security-alerts/cpujul2021.html
PatchThird Party Advisory
oracle.com / security-alerts/cpuoct2021.html
PatchThird Party Advisory