GHSA-3mjp-p938-4329 · Severity: high · Ecosystem: maven — Apache Tomcat vulnerable to SecurityManager bypass
A malicious web application running on Apache Tomcat 9.0.0.M1 to 9.0.0.M9, 8.5.0 to 8.5.4, 8.0.0.RC1 to 8.0.36, 7.0.0 to 7.0.70 and 6.0.0 to 6.0.45 was able to bypass a configured SecurityManager via manipulation of the configuration parameters for the JSP Servlet.
Conclusion & alert: CVE-2016-6796 is rated Moderate Risk (62.9/100): CVSS High severity, with high exploitation likelihood (EPSS 8.32%, 94th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. Mandatory action: High exploitation likelihood—assess exposure and prioritize 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 | 2026-06-17 | 8.39% | 8.32% | -0.07% |
| 2 | 2026-06-15 | 0.62% | 8.39% | +7.77% |
| 3 | 2026-06-04 | — | 0.62% | — |
Full EPSS history (20 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.5 | 3.1 | HIGH |
|
3.9 | 3.6 | [email protected] |
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
GHSA-3mjp-p938-4329 · Severity: high · Ecosystem: maven — Apache Tomcat vulnerable to SecurityManager bypass
| vendor | priority | summary | link |
|---|---|---|---|
redhat
|
low | — | https://access.redhat.com/security/cve/CVE-2016-6796 |
suse
|
low | CVE-2016-6796 severity low: SUSE including 81 source package names (tomcat, tomcat-7.0.76-2.el7, …), 229 product×package rows across 25 product lines (SUSE Liberty Linux 7, SUSE Linux Enterprise High Performance Computing 12 SP5, … (25 product lines)): Fixed 166, Known Not Affected 63. | https://www.suse.com/security/cve/CVE-2016-6796/ |
ubuntu
|
low | CVE-2016-6796 low priority: Ubuntu including 3 source packages (tomcat6, tomcat7, tomcat8), 69 status rows across 23 suites (artful, bionic, cosmic, disco, eoan, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, precise, questing, trusty, upstream, xenial, yakkety, zesty): DNE 49, released 8, not-affected 7, ignored 4, needed 1. | https://ubuntu.com/security/CVE-2016-6796 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| apache | tomcat | >= 6.0.0, <= 6.0.45 | cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:* |
| apache | tomcat | >= 7.0.0, <= 7.0.70 | cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:* |
| apache | tomcat | >= 8.0, <= 8.0.36 | cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:* |
| apache | tomcat | >= 8.5.0, <= 8.5.4 | cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:* |
| apache | tomcat | 9.0.0 | cpe:2.3:a:apache:tomcat:9.0.0:milestone1:*:*:*:*:*:* |
| apache | tomcat | 9.0.0 | cpe:2.3:a:apache:tomcat:9.0.0:milestone2:*:*:*:*:*:* |
| apache | tomcat | 9.0.0 | cpe:2.3:a:apache:tomcat:9.0.0:milestone3:*:*:*:*:*:* |
| apache | tomcat | 9.0.0 | cpe:2.3:a:apache:tomcat:9.0.0:milestone4:*:*:*:*:*:* |
| apache | tomcat | 9.0.0 | cpe:2.3:a:apache:tomcat:9.0.0:milestone5:*:*:*:*:*:* |
| apache | tomcat | 9.0.0 | cpe:2.3:a:apache:tomcat:9.0.0:milestone6:*:*:*:*:*:* |
| apache | tomcat | 9.0.0 | cpe:2.3:a:apache:tomcat:9.0.0:milestone7:*:*:*:*:*:* |
| apache | tomcat | 9.0.0 | cpe:2.3:a:apache:tomcat:9.0.0:milestone8:*:*:*:*:*:* |
| apache | tomcat | 9.0.0 | cpe:2.3:a:apache:tomcat:9.0.0:milestone9:*:*:*:*:*:* |
| debian | debian_linux | 8.0 | cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* |
| netapp | oncommand_insight | — | cpe:2.3:a:netapp:oncommand_insight:-:*:*:*:*:*:*:* |
| netapp | oncommand_shift | — | cpe:2.3:a:netapp:oncommand_shift:-:*:*:*:*:*:*:* |
| netapp | snap_creator_framework | — | cpe:2.3:a:netapp:snap_creator_framework:-:*:*:*:*:*:*:* |
| canonical | ubuntu_linux | 16.04 | cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:* |
| oracle | tekelec_platform_distribution | 7.4.0 | cpe:2.3:a:oracle:tekelec_platform_distribution:7.4.0:*:*:*:*:*:*:* |
| oracle | tekelec_platform_distribution | 7.7.1 | cpe:2.3:a:oracle:tekelec_platform_distribution:7.7.1:*:*:*:*:*:*:* |
| redhat | jboss_enterprise_application_platform | 6.4 | cpe:2.3:a:redhat:jboss_enterprise_application_platform:6.4:*:*:*:*:*:*:* |
| redhat | jboss_enterprise_web_server | 3.0.0 | cpe:2.3:a:redhat:jboss_enterprise_web_server:3.0.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux_desktop | 7.0 | cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux_eus | 7.4 | cpe:2.3:o:redhat:enterprise_linux_eus:7.4:*:*:*:*:*:*:* |
| redhat | enterprise_linux_eus | 7.5 | cpe:2.3:o:redhat:enterprise_linux_eus:7.5:*:*:*:*:*:*:* |
| redhat | enterprise_linux_eus | 7.6 | cpe:2.3:o:redhat:enterprise_linux_eus:7.6:*:*:*:*:*:*:* |
| redhat | enterprise_linux_eus | 7.7 | cpe:2.3:o:redhat:enterprise_linux_eus:7.7:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server | 7.0 | cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server_aus | 7.4 | cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server_aus | 7.6 | cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server_aus | 7.7 | cpe:2.3:o:redhat:enterprise_linux_server_aus:7.7:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server_tus | 7.6 | cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server_tus | 7.7 | cpe:2.3:o:redhat:enterprise_linux_server_tus:7.7:*:*:*:*:*:*:* |
| redhat | enterprise_linux_workstation | 7.0 | cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* |