Improper input validation in Apache Struts
CVE-2016-4438
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.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
EPSS: 0.621 (98.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Apache Struts — versions 2.3.20, 2.3.20.1, 2.3.20.3
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (x_refsource_CONFIRM, VDB Entry, Third Party Advisory, Issue Tracking)
- 91275 (Third Party Advisory, vdb-entry, x_refsource_BID)
- secalert@redhat.com (x_refsource_CONFIRM, Vendor Advisory)
- JVNDB-2016-000110 (x_refsource_JVNDB, VDB Entry, third-party-advisory, Vendor Advisory)
- secalert@redhat.com (x_refsource_CONFIRM)
- JVN#07710476 (x_refsource_JVN, third-party-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2016-4438?
- CVE-2016-4438 is a critical-severity vulnerability in Apache Struts, classified under Improper Input Validation. CVSS score: 9.8/10. Published 2016-07-04.
- How severe is CVE-2016-4438?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2016-4438 known to be exploited?
- 18 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.