CVE-2016-4438
Arbitrary code execution in Apache Struts 2
9.8
CRITICAL
CVSS 3.1
EPSS 62.1%
Description
The REST plugin in Apache Struts 2 2.3.19 through 2.3.28.1 allows remote attackers to execute arbitrary code via a crafted expression.
How to fix CVE-2016-4438
To remediate CVE-2016-4438, upgrade the affected package to a fixed version below.
- Maven/org.apache.struts:struts2-core—upgrade to 2.3.29 or later
- Maven/org.apache.struts:struts2-rest-plugin—upgrade to 2.3.29 or later
Is CVE-2016-4438 being exploited?
Likely — EPSS is 62.1%, placing CVE-2016-4438 in the top tier of vulnerabilities by exploitation probability. Prioritise patching.
Affected packages (2)
- >= 2.3.19, < 2.3.29
- >= 2.3.19, < 2.3.29
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |