The integration server in IBM Integration Bus 9 before 9.0.0.6 and 10 before 10.0.0.5 and WebSphere Message Broker 8 before 8.0.0.8 allows remote attackers to obtain sensitive Tomcat version information by sending a malformed POST request and then reading the Java stack trace.
Conclusion & alert: CVE-2016-2961 is rated Moderate Risk (47.1/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.47%). Core evidence: EPSS rose +1.32% over the last day, indicating growing attacker interest. Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.15% | 1.47% | +1.32% |
| 2 | 2023-03-07 | 1.05% | 0.15% | -0.90% |
| 3 | 2022-02-04 | — | 1.05% | — |
Full EPSS history (3 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.3 | 3.0 | MEDIUM |
|
3.9 | 1.4 | [email protected] |
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| ibm | integration_bus | 9.0 | cpe:2.3:a:ibm:integration_bus:9.0:*:*:*:*:*:*:* |
| ibm | integration_bus | 9.0.0.1 | cpe:2.3:a:ibm:integration_bus:9.0.0.1:*:*:*:*:*:*:* |
| ibm | integration_bus | 9.0.0.2 | cpe:2.3:a:ibm:integration_bus:9.0.0.2:*:*:*:*:*:*:* |
| ibm | integration_bus | 9.0.0.3 | cpe:2.3:a:ibm:integration_bus:9.0.0.3:*:*:*:*:*:*:* |
| ibm | integration_bus | 9.0.0.4 | cpe:2.3:a:ibm:integration_bus:9.0.0.4:*:*:*:*:*:*:* |
| ibm | integration_bus | 9.0.0.5 | cpe:2.3:a:ibm:integration_bus:9.0.0.5:*:*:*:*:*:*:* |
| ibm | integration_bus | 10.0 | cpe:2.3:a:ibm:integration_bus:10.0:*:*:*:*:*:*:* |
| ibm | integration_bus | 10.0.0.1 | cpe:2.3:a:ibm:integration_bus:10.0.0.1:*:*:*:*:*:*:* |
| ibm | integration_bus | 10.0.0.2 | cpe:2.3:a:ibm:integration_bus:10.0.0.2:*:*:*:*:*:*:* |
| ibm | integration_bus | 10.0.0.3 | cpe:2.3:a:ibm:integration_bus:10.0.0.3:*:*:*:*:*:*:* |
| ibm | integration_bus | 10.0.0.4 | cpe:2.3:a:ibm:integration_bus:10.0.0.4:*:*:*:*:*:*:* |
| ibm | websphere_message_broker | 8.0 | cpe:2.3:a:ibm:websphere_message_broker:8.0:*:*:*:*:*:*:* |
| ibm | websphere_message_broker | 8.0.0.1 | cpe:2.3:a:ibm:websphere_message_broker:8.0.0.1:*:*:*:*:*:*:* |
| ibm | websphere_message_broker | 8.0.0.2 | cpe:2.3:a:ibm:websphere_message_broker:8.0.0.2:*:*:*:*:*:*:* |
| ibm | websphere_message_broker | 8.0.0.3 | cpe:2.3:a:ibm:websphere_message_broker:8.0.0.3:*:*:*:*:*:*:* |
| ibm | websphere_message_broker | 8.0.0.4 | cpe:2.3:a:ibm:websphere_message_broker:8.0.0.4:*:*:*:*:*:*:* |
| ibm | websphere_message_broker | 8.0.0.5 | cpe:2.3:a:ibm:websphere_message_broker:8.0.0.5:*:*:*:*:*:*:* |
| ibm | websphere_message_broker | 8.0.0.6 | cpe:2.3:a:ibm:websphere_message_broker:8.0.0.6:*:*:*:*:*:*:* |
| ibm | websphere_message_broker | 8.0.0.7 | cpe:2.3:a:ibm:websphere_message_broker:8.0.0.7:*:*:*:*:*:*:* |