CVE-2020-13931
CVE-2020-13931 is a critical-severity vulnerability in Apache Tomee with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- CVSS v2: 6.8
- EPSS exploit prediction: 4% (88th percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Apache Tomee
- Published:
- Last modified:
Description
If Apache TomEE 8.0.0-M1 - 8.0.3, 7.1.0 - 7.1.3, 7.0.0-M1 - 7.0.8, 1.0.0 - 1.7.5 is configured to use the embedded ActiveMQ broker, and the broker config is misconfigured, a JMX port is opened on TCP port 1099, which does not include authentication. CVE-2020-11969 previously addressed the creation of the JMX management interface, however the incomplete fix did not cover this edge case.
Frequently asked questions
- What is CVE-2020-13931?
- If Apache TomEE 8.0.0-M1 - 8.0.3, 7.1.0 - 7.1.3, 7.0.0-M1 - 7.0.8, 1.0.0 - 1.7.5 is configured to use the embedded ActiveMQ broker, and the broker config is misconfigured, a JMX port is opened on TCP port 1099, which does not include authentication. CVE-2020-11969 previously addressed the creation of the JMX management interface, however the incomplete fix did not cover this edge case.
- How severe is CVE-2020-13931?
- CVE-2020-13931 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2020-13931 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-13931?
- CVE-2020-13931 primarily affects Apache Tomee. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2020-13931?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2020-13931 published?
- CVE-2020-13931 was published on 2020-12-18 and last updated on 2026-06-17.
References
- https://lists.apache.org/thread.html/r7f98907165b355dc65f28a57f15103a06173ce03261115fa46d569b4%40%3Cdev.tomee.apache.org%3E
- https://lists.apache.org/thread.html/r85b87478f8aa4751aa3a06e88622e80ffabae376ee7283e147ee56b9%40%3Cdev.tomee.apache.org%3E
- https://lists.apache.org/thread.html/ref088c4732e1a8dd0bbbb96e13ffafcfe65f984238ffa55f438d78fe%40%3Cdev.tomee.apache.org%3E
Affected products (5)
- cpe:2.3:a:apache:tomee:*:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomee:7.0.0:m1:*:*:*:*:*:*
- cpe:2.3:a:apache:tomee:7.0.0:m2:*:*:*:*:*:*
- cpe:2.3:a:apache:tomee:7.0.0:m3:*:*:*:*:*:*
- cpe:2.3:a:apache:tomee:8.0.0:m1:*:*:*:*:*:*
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