CVE-2016-0763
Improper Verification of Source of a Communication Channel in Apache Tomcat
6.3
MEDIUM
CVSS 3.1
EPSS 0.29%
Description
The `setGlobalContext` method in `org/apache/naming/factory/ResourceLinkFactory.java` in Apache Tomcat 7.x before 7.0.68, 8.x before 8.0.31, and 9.x before 9.0.0.M3 does not consider whether ResourceLinkFactory.setGlobalContext callers are authorized, which allows remote authenticated users to bypass intended SecurityManager restrictions and read or write to arbitrary application data, or cause a denial of service (application disruption), via a web application that sets a crafted global context.
How to fix CVE-2016-0763
To remediate CVE-2016-0763, upgrade the affected package to a fixed version below.
- —upgrade to 7.0.68 or later
Is CVE-2016-0763 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- >= 7.0.0, < 7.0.68
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.3 | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L |